人教版七年級(jí)英語語法總結(jié)

1、精選ppt1七年級(jí)語法總復(fù)習(xí)精選ppt2 A tidy tiger tied a tie tighter to tidy her tiny tail. 一只老虎將領(lǐng)帶系緊，清潔它的尾巴。 精選ppt3 我有一種想法，但是我的這種想法不是我有一種想法，但是我的這種想法不是我曾經(jīng)想到的那種想法。如果這種想法我曾經(jīng)想到的那種想法。如果這種想法是我曾經(jīng)想到的想法，我就不會(huì)想那么是我曾經(jīng)想到的想法，我就不會(huì)想那么多了。多了。 I thought a thought. But the thought wasnt the thought I thought I thought. If the thought

2、 I thought I thought had been the thought I thought, I wouldnt have thought so much.精選ppt4 while we were walking, we were watching window washers wash washingtons windows with warm washing water. 當(dāng)我們走路時(shí)，我們看著清潔窗戶的人用暖水清洗華盛頓的窗戶 精選ppt51、目前所學(xué)的動(dòng)詞的形式有、目前所學(xué)的動(dòng)詞的形式有4 種：種：動(dòng)詞原形；如：do;have;like動(dòng)詞的單三式（常在動(dòng)詞原形后加s）；如

3、：get-gets動(dòng)詞不定式（to+動(dòng)詞原形）；如：meet-to meet動(dòng)詞ing式（動(dòng)詞原形后加ing）如：look-looking精選ppt62、表示征求意見或建議邀請(qǐng)的禮貌用語、表示征求意見或建議邀請(qǐng)的禮貌用語Would you like +to+動(dòng)詞原形? （你想要嗎？）How about+動(dòng)詞ing ?（怎么樣？好不好？）What about +動(dòng)詞ing? （怎么樣？好不好？）精選ppt7 Why not +動(dòng)詞原形? （為什么不呢？） Why dont you +動(dòng)詞原形 ？（你為什么不呢？） Lets +動(dòng)詞原形.（讓我們吧。）精選ppt8表示同意、答應(yīng)：表示同意、答應(yīng)：Y

4、es,Id like to./Oh,Id love to.All right/OK.Great! Sure.Good idea!Thanks.Ill be glad to Thanks.That would be very nice.Id like that.精選ppt9表示不同意、拒絕：No,thanks.Sorry,I cant.Id like to.But Im afraid I cant/I have no time.精選ppt103、目前學(xué)過的情態(tài)動(dòng)詞有目前學(xué)過的情態(tài)動(dòng)詞有can, may, could,would和和will等五個(gè)。等五個(gè)。學(xué)好情態(tài)動(dòng)詞必須把握三個(gè)用法：后必須跟動(dòng)詞

5、原形 ；沒有三單式（其后不能加s）；可以把情態(tài)動(dòng)詞提到句首構(gòu)成疑問句；可以在情態(tài)動(dòng)詞后面加上not構(gòu)成否定句精選ppt114、目前學(xué)過的后跟目前學(xué)過的后跟動(dòng)詞不定式（動(dòng)詞不定式（to+動(dòng)詞原形）動(dòng)詞原形）的有：的有：would like to+動(dòng)詞原形（想要做某事）; want to+動(dòng)詞原形（想要做某事）;forget to+動(dòng)詞原形（忘記要做某事）;like to +動(dòng)詞原形（喜歡做某事） love to +動(dòng)詞原形（喜歡做某事） ask sb. to +動(dòng)詞原形. tell sb. to +動(dòng)詞原形.精選ppt12would like sb. to +動(dòng)詞原形.want sb. to +

6、動(dòng)詞原形.（想叫某人做某事）have to +動(dòng)詞原形（必須/不得不做某事）Nice/Glad/happy to +動(dòng)詞原形（很高興做某事）如：Nice to meet you. Im glad to be here.精選ppt135、目前學(xué)過的后跟目前學(xué)過的后跟動(dòng)詞原形動(dòng)詞原形的有：的有：情態(tài)動(dòng)詞：can, may,could,would,will后助動(dòng)詞do,dont,does,doesnt后（does,doesnt一出現(xiàn)，三單式要滾蛋）；動(dòng)詞please(請(qǐng))后：如：Please tell him about the picnic.短語Why not/Why dont you后；動(dòng)詞le

7、t 后；如：Let Jane help you. Lets go home.精選ppt14動(dòng)詞help后，也可帶to; 如：Lets help Maria (to) carry water.祈使句以動(dòng)詞原形開頭,如：Have a seat , please.請(qǐng)坐下。 精選ppt156、目前學(xué)過的后跟目前學(xué)過的后跟動(dòng)詞動(dòng)詞ing的有：的有：Be動(dòng)詞后的動(dòng)詞；如：Are you kidding? Im just looking.This is Michael speaking.所有的介詞后；已學(xué)過的介詞有:at, for,about,in,on,from,of,to,with,after等。Wha

8、t about +動(dòng)詞ing? What about flying a kite with me ? 精選ppt16 Its time for going home =Its time to go home. Thank you for helping me=Thank you for your help.go +動(dòng)詞inggo fishing去釣魚; go shopping去購物do some shopping購物like/love +動(dòng)詞ing （喜歡做某事） 精選ppt177、有單復(fù)數(shù)變化的詞有單復(fù)數(shù)變化的詞名詞名詞(1) 名詞名詞單數(shù)變復(fù)數(shù)單數(shù)變復(fù)數(shù)的方法的方法 1)大部分在詞尾加s.

9、如：dog-dogs2)以-s, -x, -ch, -sh 結(jié)尾的es. 如： class-classes bus-buses glass-glasses box-boxes watch-watches(手表) fish-fishes 3)以“輔音字母+ y”結(jié)尾的，變y為i，加es.baby-babies(嬰兒) family-families(家庭) 精選ppt18注意注意：boy -boys play-plays toy-toys way-ways 4)以 f, fe結(jié)尾的，變f, fe為v,加es.half-halves(一半)knife-knives(小刀)yourself(你自己)

10、-yourselves(你們自己)精選ppt19(2) 特殊變化的詞特殊變化的詞1) a 變e: manmen(男子) womanwomen(女子) snowman-snowmen(雪人) Englishman- Englishmen(英國人)2) o變e：foot-feet(腳) tooth-teeth(牙齒)3) 單復(fù)數(shù)同形：Chinese-Chinese(中國人) fish-fish(魚) yuan-yuan(人民幣元) 精選ppt206)集體名詞，以單數(shù)形式出現(xiàn)，但實(shí)為復(fù)數(shù)例如：people（人們）police（警察們）本身就是復(fù)數(shù)，family指“全家人”時(shí)，本身也是復(fù)數(shù)，它們都不能

11、加s. 如： The Chinese people are very kind. 中國人民都 很友好。 Kangkangs family are all tall and thin. 康康全家人都又高又瘦。精選ppt214) mousemice (老鼠) childchildren(兒童) 5)合成詞中一般變后面的詞：apple tree-apple trees(蘋果樹)但下列需前后都變：man teacher-men teacherswoman doctor-women doctors精選ppt22be動(dòng)詞： 單數(shù)am, is； 復(fù)數(shù)are行為動(dòng)詞：復(fù)數(shù)：動(dòng)詞原形單數(shù)：在行為動(dòng)詞后加s或es

12、（即動(dòng)詞的三單式）。 如:Maria likes milk.（likes是三單式，為單數(shù)）Maria and Jane like milk.（like是動(dòng)詞原形，為復(fù)數(shù)）精選ppt23 本塊習(xí)題本塊習(xí)題:用所給詞的正確形式填空用所給詞的正確形式填空 1、I _ ( have ) a soccer ball . 2、She _ ( have ) two ping-pong balls . 3、He _ ( play ) sports every day . 4、We _ ( speak ) English . 5、Tom _ ( call ) Jim every day . 6、My daugh

13、ter _ ( like ) apples . 7、His friend_ （know） English . 8、The girl _ ( study ) English sometimes . 9、The boy often _ （watch） TV . 10、Her uncle _ ( go ) home on footplayshashavespeakcallslikesknowsstudieswatchesgoes精選ppt24 (2)、在下面的短文中填上恰當(dāng)be動(dòng)詞。I _ a girl. My name _ Mary. I _ 12 years old. Here _ my fam

14、ily photo. Look! These _ my parents and those _ my grandparents. This boy _ my brother. He _ 15 years old now. That _ my cat, Mimi. It _ very lovely. amisamisareareisisisis精選ppt25指示代詞 單數(shù)：this這個(gè) that那個(gè)復(fù)數(shù)：these這些 those那些l 指示代詞 this, that, these, those 作主語,一般疑問句的簡略回答: Is this / that your aunt ? Yes , i

15、t is . /No , it isnt .簡略回答時(shí),用主格代詞 it 代替 （2）、Are these / those your uncles ? Yes , they are . No , they arent .簡略回答時(shí),用主格代詞 they 代替精選ppt26單句變復(fù)句,把句子中單數(shù)詞變成復(fù)數(shù)詞。1、This is my friend . _ _ _ _my _2、That is his parent . _ _ _ _his _3、She is her cousin . _ _ _ _her _ThesearefriendsTheyarecousinsparentsThosear

16、e精選ppt27.用所給的詞選擇填空1、These are pens and _ are pencils. (that, this, those)2、Tom was sick yesterday. _ is why he missed school. ( That, Those, These) 3、Which of _ shirts are Toms ( These, this, that)4、This desk is mine, _ is hers. ( those, this, that)5、The map of Beijing is better than _ of Tianjing.

17、(this, that, these).thoseThatthesethatthat精選ppt288名詞名詞s所有格所有格單數(shù)名詞后直接加 “ s ”： Jims coat 吉姆的外套 Jeffs mother杰夫的媽媽以s結(jié)尾的復(fù)數(shù)名詞，只加“” Teachers Day教師節(jié) the twins books雙胞胎的書不以s結(jié)尾的不規(guī)則的名詞復(fù)數(shù)，加“ s ”Childrens Day 兒童節(jié) mens shoes男式鞋精選ppt29表示兩者共同擁有時(shí)，只在最后一個(gè)名詞后加sLucy and Lilys mother 露茜和莉莉的媽媽(共同的媽媽，一個(gè)媽媽)表示兩者各自擁有時(shí)，要在每個(gè)名詞后

18、加sLucys and Kates rooms 露茜和凱特的房間（各自的房間，兩間房子） 精選ppt30 四、按中文意思填空1. _(李明的)parents work in a big hospital.2. This is _ (我妹妹的) Chinese book.3. _ (我的姐姐和弟弟的)rooms are very nice.4. _ (王平和王明的) father is a hotel manager.5. Is this _(你的好朋友的)pen ?6. They are_(Peter 和Sam的) teachers.Li MingsMy sisters and my brot

19、hersmy sisters Wang Ping and Wang Mings your good friendsPeter and Sams精選ppt311There is a letter for_ (her 、hers) mother. 2That is _(she ) coat. The coat is red. _(it)is a new one. 3Whose pens are these? _(their) are _ (we). 4Give _(he) a toy, please. 5_(we) eyes are black. 6Tim and Bill are twins.

20、_(them) parents are teachers. 7Give the book to _(I ). OurhimoursTheyItherhermeTheir精選ppt328These books are _(we). 9That is not _ kite. That kite is very small, but _ is very big.( I )10The dress is _. Give it to _. ( she )11Is this _ watch? (you) No, its not _ . ( I )12_ is my brother. _ name is Ja

21、ck. Look! Those stamps are _. ( he )hisHisHemineyourherhersmineoursmy精選ppt33 一代詞一代詞人稱代詞第一人稱第二人稱第三人稱單數(shù)復(fù)數(shù)單數(shù)復(fù)數(shù)單數(shù)復(fù)數(shù)主格Iweyouyoushe he itthey賓格meusyouyou her him itthem物主代詞形物代myouryour yourher his itstheir名物代1、人稱代詞和物主代詞mineoursyoursyourshers his itstheirs精選ppt34人稱代詞主格：作主語，常放在句首；人稱代詞賓格：作賓語，放在動(dòng)詞和介詞后；形容詞性物主代

22、詞：后有名詞時(shí)，用形容詞性；（有名則形）名詞性物主代詞：后無名詞時(shí)，用名詞性。（無名則名）精選ppt35一、寫出下列詞的復(fù)數(shù)形式am_ is_ he _ she _ it _ that_this_ you_ pen_ desk_ key_ orange_ boy_ friend_ parent_ class _ child_ shelf _ bed _ radio_ photo_ tomato_ woman _ man _ strawberry _ dictionary _ box watcharearetheytheythosetheseyoupensdeskskeysorangesboys

23、friendsparentstheyboxesclasseschildrenshelvesbedsradiosphotostomatoeswomenmenstrawberriesdictionarieswatches精選ppt367. _(教師節(jié)) is on September 10th. .8. _(學(xué)生們的) desks and chairs are very new.9. _(趙敏的) shoes are white.10. _(John和Sally的)mothers are American.11. _(Tony哥哥的)computer is broken.12、Its _(婦女節(jié))

24、 on March 8th.Teachers DayThe studentsZhao MinsJohns and SallysTonys brothersWomens Day精選ppt3712、冠詞、冠詞只有不定冠詞a (an)和定冠詞the 兩個(gè)，不用冠詞叫零冠詞。1、不定冠詞、不定冠詞a和和an ：a用在輔音前，如 a pen a chair an 用在元音前。an old teacher an English book 注意:輔音字母第一個(gè)音是元音的情況：F H L M N S X這七個(gè)字母的第一個(gè)音是元音在說一個(gè)以上字母時(shí)要用an ,如an“F” (一個(gè)F) 同時(shí)注意字母U,它是元音字

25、母，但它的第一個(gè)音是輔音，因此說一個(gè)U，應(yīng)為 a “U”精選ppt382、定冠詞、定冠詞the：當(dāng)一個(gè)名詞第二次出現(xiàn)時(shí)前面用the 。注意:在三餐飯（breakfast、 lunch 、dinner ）前不用the ,月份和星期前都不用the ,體育活動(dòng)的球類運(yùn)動(dòng)前面不用the 。如:have dinner in January December Sunday play basketballplay tennis (volleyball soccer Ping Pong chess baseball) 精選ppt3910.句子的成分句子的成分主語：是句子要說明的人和物，是動(dòng)作的發(fā)出者，是句子的

26、主體，一般放在句首。主語由名詞,代詞擔(dān)任。謂語：說明主語的動(dòng)作。只有動(dòng)詞才作謂語，一般放在主語之后。賓語：是動(dòng)作的接受者。放在動(dòng)詞或介詞后。由名詞,代詞擔(dān)任。 Michael often looks after his sister at home on Sunday.精選ppt4011. 三單問題三單問題總則：主語是第三人稱單數(shù)第三人稱單數(shù)時(shí)，動(dòng)詞（謂語）要用三單式動(dòng)詞（謂語）要用三單式。如： He gets up at six。 由于主語He是第三人稱單數(shù)，動(dòng)詞get后要s,即gets是三單式?？梢宰鞯谌朔Q單數(shù)主語（三單主語）的有：(1)he, she,it;(2)單個(gè)的人；單個(gè)的物。

27、精選ppt41動(dòng)詞三單式的構(gòu)成 (1)特殊的：beis havehas (2)有規(guī)律的：1)大部分在詞尾加s; 如： getgets take-takes needneeds knowknows 2)以s, x,ch, sh,o 結(jié)尾的加es; 如：guessguesses(猜) watch-watches(看) teachteaches(教) fishfishes(釣魚) gogoes(去) dodoes精選ppt423)以“輔音字母+y”結(jié)尾的,變y為i，加es. 如：studystudies(學(xué)習(xí)) flyflies(飛，放) carrycarries(提) worryworries(擔(dān)

28、心)注意：buybuys saysays playplays精選ppt433、如單數(shù)可數(shù)名詞前有this、that、my等代詞修飾時(shí)，則不再使用a或an。意思用法例句who誰問人的身份，姓名等He is LiLie Who is he ?He is my brother. Who is he ?12.特殊疑問句特殊疑問句特殊疑問詞的用法特殊疑問詞的用法精選ppt44意思用法例句who 誰問人的身份，姓名等He is LiLie Who is he ?He is my brother. Who is he ?whom誰問人的身份，姓名等(問賓語）I can ask him the questio

29、n.Whom can you ask the question?精選ppt45what什么問人的職業(yè)或事物是什么He is a worker. What is he?He has a book. What does he have ?which 哪一個(gè)問一定范圍內(nèi)特指的人或物The big box is mine. Which box is yours?The girl at the door is Ann. Which girl is Ann?whose誰的問所屬關(guān)系This is her book. Whose book is this ?This book is hers. 精選ppt4

30、6what color什么顏色問顏色（表語）My skirt is red. What color is your skirt?What time幾點(diǎn) 問點(diǎn)時(shí)間We play games at five in the afternoon ?What time do you play games?when什么時(shí)候問時(shí)間We play games in the afternoon ?When do you play games?精選ppt47where什么地方問地點(diǎn)（狀語）We play games at home on Sunday。Where do you play games on Sund

31、ay?why為什么問原因He isnt at school today because he is ill.Why isnt he at school today ?how怎樣問健康狀況、做事的方式等He is fine/strong. How is he ?I go home by bike. How do you go home?精選ppt48how old多大幾歲問年齡He is ten. How old is he ?how many多少 跟復(fù)數(shù)名詞，問數(shù)量There are thirty boys in my class.How many boys are there in your

32、 class?how much多少 跟不可數(shù)名詞問數(shù)量或價(jià)錢 There is some milk in the bottle.How much milk is there in the bottle?精選ppt49how far 多遠(yuǎn)問路程Its five kilometers away from here How far is it from here?how soon多久問in+一段時(shí)間He can finish it in half an hour.How soon can he finish it ?how long多久問一段時(shí)間，問物體的長短He has lived here fo

33、r a year. How long has he lived here?The desk is one meters long. How long is the desk ?how often多久（一次）問頻率I go to see my parents once a month.How often do you go to see your parents?精選ppt50對(duì)畫線部分提問，除了要注意選擇正確的疑問詞外，還要注意語序的運(yùn)用。對(duì)句子的主語提問，其語序是：She is their teacher. 主語 謂語Who is their teacher?主語 謂語疑問詞疑問詞+謂語謂語

34、+其他成分？其他成分？（整個(gè)句子是陳述句語序）精選ppt512、對(duì)句子主語的定語部分提問，其語序是： 疑問詞疑問詞+主語（即定語所修飾的名詞）主語（即定語所修飾的名詞）+ 謂語謂語+其他成分？其他成分？（整個(gè)句子是陳述句語序）（整個(gè)句子是陳述句語序）My book is over there. Whose book is over there ?主語的定主語的定語語主語主語疑問詞 精選ppt52以上兩點(diǎn)方法都是：用正確的疑問詞代替畫線部分，再把句號(hào)用正確的疑問詞代替畫線部分，再把句號(hào)改為問號(hào)，其余部分一般不做改變改為問號(hào)，其余部分一般不做改變3對(duì)表語或賓語的定語的定語部分提問，其語序是：疑問詞

35、疑問詞+表語或賓語表語或賓語（畫線部分所修飾的名詞）+一般疑問句一般疑問句（省略畫線部分和它所修飾的名詞）Im looking for my watch.Whose watch are you looking for ?賓語的定語 一般疑問句一般疑問句(省略掉省略掉my watch)精選ppt53 4、對(duì)表語、賓語或狀語表語、賓語或狀語提問，其語序是： 疑問詞疑問詞+ 一般疑問句一般疑問句（省略掉畫線部分）？He lives in Beijing . Where does he live ?疑問詞一般疑問句一般疑問句（省略掉畫線部分in Beijing ）狀語精選ppt545、對(duì)謂語和賓語謂語

36、和賓語提問，其語序是：疑問詞疑問詞(What)+ 一般疑問句一般疑問句（其中謂語動(dòng)詞要用do 的相對(duì)應(yīng)形式的相對(duì)應(yīng)形式代替, 省略掉賓語)He watches TV in the evening What does he do in the evening?He watched TV yesterday evening. What did he do in the evening?He is watching TV now. What is he doing now?精選ppt55 就劃線部分提問練習(xí)1、My name is Gina. name?2、Im fine. you?3. Its a

37、n orange. in English?4. My bag is red. is your bag?5. This is “V”. in English?WhatsyourHowareWhatsitWhatcolorWhatsthis精選ppt56 11. Theyre on the floor. they? 12. The baseball is on the sofa. the baseball? 13. The keys are in the drawer. the keys? 14. I want a sweater. you ? 15. These socks are two do

38、llars. these socks?WhereareWhereisWhereareWhatdowantHowmuchare精選ppt57 16. - Blue. do you want? 17. The T-shirt is seven dollars the T-shirt? 18. My birthday is October tenth. birthday? 19. Her birthday is June 8th. birthday? 20. Im thirteen. you?WhatcolorHowmuch isWhensyouryourWhensHowareold精選ppt58

39、21. Its Monday today is today? 22. My school day is on October 18th. school day? 23. Its August 8th. the date? 24. My favorite subject is Chinese . favorite subject? 25. Her favorite subject is English . favorite subject?What dayitWhensyourWhatisWhatsyourWhatsyour精選ppt5926. I like P.E. because its f

40、un. you like P.E? 27. My music teacher is Miss Xie. music teacher?28. His favorite sport is basketball. favorite sport?29. I have rice and chicken. you for lunch? 30. He likes P.E. best. he best?WhydoWhosyourWhatshisWhatdohaveWhatsubjectlike精選ppt6014.數(shù)數(shù) 詞詞（一）、（一）、基數(shù)詞基數(shù)詞 注意 eleven, twelve , thirteen,

41、 fourteen, eighteen, twenty, thirty, forty, fifty, one hundred/thousand等詞的拼寫。 具體用法如：Lesson Twelve, Class Two, Grade Eight, The No. 45 bus, Channel Five, Room 302, the No.2 middle School, a five-year-old daughter精選ppt61注意1、“前有，后無；前無，后有”即 two hundred books ， hundreds of books2、如 eight-year-old 的詞后面要加名

42、詞3、“在某人幾十歲時(shí)”用 in ones +整十的復(fù)數(shù) 如：in her fifties, in their thirties精選ppt62（三）、（三）、分?jǐn)?shù)的表達(dá)：分子用基數(shù)詞，分母用序數(shù)詞；分子大于一，分母加 s，分子和分母之間一般用連字號(hào)。 數(shù)，數(shù)， 小數(shù)和百分比：小數(shù)和百分比：如: 3/5讀作 , 1/3讀作078讀作7.45讀作45%讀作 67%讀作three-fifthsone-thirdzero point seven eightseven point four fiveForty-five percentsixty-seven percent精選ppt634、表示“ 多高、

43、多寬、多長、多深，年齡少大、距離多遠(yuǎn)”時(shí)，用“數(shù)量+單位+形容詞” 如：two months old, twenty meters deep（二）、序數(shù)詞（二）、序數(shù)詞注意 first, second, third, fifth, eighth, ninth, twelfth, twentieth, twenty-first, ninety-ninth, one hundredth等詞的拼寫。 具體用法如：the Twelfth lesson, June 5th, the Second World War, on his twentieth birthday.精選ppt64注意：分?jǐn)?shù)表示1/2

44、， 可以用a/one half 表示；分?jǐn)?shù)1/4，3/4也可以用quarter表示。如：1/4讀作one-fourth or a quarter, 3/4讀作three-fourths or three quartersHalf of the students live in the school on weekdays. (習(xí)慣上省略a)精選ppt65（四）、時(shí)間和鐘點(diǎn)（四）、時(shí)間和鐘點(diǎn)7：15讀作 / 7：30讀作7：35讀作8：03讀作注意：如果分鐘不是5的倍數(shù)，minute不能省略。seven fifteen a quarter past sevenseven thirty/half

45、past sevenseven thirty-five/ twenty-five(minutes)to eightthree minutes past eight精選ppt66（五）、日期和年份on March 8讀作on 8th of March 讀作 in 1998讀作in 2008讀作on march the eighthon the eighth of Marchnineteen ninety-eightin two thousand and eight精選ppt67 數(shù)詞練習(xí) 1、Mr Green has _ ( two ) daughters . 2、Kate is Mr Gree

46、ns _ ( one ) daughter. 3、There are _ ( twelve ) months in a year. 4、March is the _ ( three ) month of a year . 5、They have _ ( twenty ) computers. 6、I can afford _ ( eight ) sweaters . 7、 Mr Greens _ ( nine) store is very big .twofirsttwelvethirdtwentyeightninth精選ppt688、-How old is your friend ?-She

47、 is ( 12)years old . .9、-How old is her father?- He is (30) years old . 10. January the month of a year.11、February the month of a year.12、April the month of a year.13、May the month of a year .14、August the month of a year.15、December the month of a year.twelvethirtyfirstsecondfourthfiftheighthtwelf

48、th精選ppt6915.介詞介詞 （一）表示時(shí)間的介詞的用法： 1. at, on, in （1）at 在句中用在鐘點(diǎn)之前。意為“在.點(diǎn)鐘”如：at six在6點(diǎn) （2）at用在固定短語中。如： at noon在中午；at this time of year 一年這個(gè)時(shí)候 （3）on常用于表示具體的哪一天或某天的上午、下午及晚上或用于固定短語中。如：on the morning of June 在6月5日的早上 精選ppt70（4）on用在星期前。如： on Sunday在星期日 （5）in用于年、月前面，季節(jié)、世紀(jì)前以及固定短語中。如： in 2008 在2008年； in October在

49、10月； in spring 在春天； in the twentieth century 在二十世紀(jì)； in his twenties 在他二十多歲時(shí)； 精選ppt712.before ,after,in in是以現(xiàn)在為起點(diǎn)，表示將來一段時(shí)間以后，常用于一般將來時(shí)態(tài)中。 eg: I will come back in three days.我三天以后回來。 after是以過去為起點(diǎn)，表示過去一段時(shí)間以后，常用于過去時(shí)態(tài)中。 eg:She went after three days. 她三天以后走的。 before 表示“某時(shí)刻或某時(shí)間之前”時(shí)態(tài)根據(jù)句子而定。 E.g: Check your p

50、apers carefully before you hand them in精選ppt72（二）表示地點(diǎn)方位介詞的用法： 1.at, in at 后跟小地方，in后跟大地點(diǎn) 2.in, on, to in表示在某一范圍內(nèi)的某方位。on表示與某地相鄰關(guān)系。to表示在某一地區(qū)之外的某方位，不屬于該范圍。 Shanghai lies in the east of China. Shandong lies on the east of Hebei. China lies to the west of Japan. 精選ppt73（三）表示手段方式的介詞的用法： in, by, with, on表示“

51、用” （1）by主要指利用交通工具。即：“by +名詞原形”或“行為手段by +v-ing形式”。如：I go to school by bike every day. He learns English by listening to cassettes. （2）in主要指用某種語言或用工具、材料以及方式( way)等。如： People say it in English. I often write in ink / pencil. He can say it in a different way. 精選ppt743）on主要表示行走或站立時(shí)所用的身體部位，或利用交通工具。即：“on +

52、冠詞 / 形容詞性物主代詞 + 交通工具名詞”或接表示媒體的名詞。如：People walk on foot. But some people can walk on hand. He often goes to school on a bus. 精選ppt75注意：“on / in +冠詞 / 形容詞性物主代詞 + 交通工具名詞”這種交通方式的表達(dá)可以轉(zhuǎn)換成“ by +交通工具名稱”。例：on a bike = by bike 如果交通工具名詞為car，習(xí)慣上用in ，其他多用on。如： He learns English on TV. 精選ppt76（4）with主要指某一具體的勞動(dòng)工具、

53、材料或用身體部位。如： They like writing with a brush. 他們?cè)敢庥妹P寫字. We see with our eyes and hear with our ears.我們用眼睛看,用耳朵聽.精選ppt7716.祈使句祈使句一、用于表達(dá)命令、請(qǐng)求、勸告、警告、禁止等的句子叫做祈使句，祈使句最常用于表達(dá)命令，因此在學(xué)校文法中也常稱為命令句。 祈使句因?qū)ο螅粗髡Z）是第二人稱，所以通常都省略。祈使句的動(dòng)詞都為一般現(xiàn)在時(shí)，句末則使用句號(hào)來表示結(jié)束。精選ppt78用客氣的語氣表示祈使句時(shí)，可在句首或句尾加上please，但如果在句尾加please，那在please之前一定

54、要加一個(gè)逗號(hào)“，”。 二、表現(xiàn)形式 肯定結(jié)構(gòu): 1. Do型(即:動(dòng)詞原形(+賓語)+其它成分)。如:Please have a seat here. 請(qǐng)這邊坐。 有的祈使句在意思明確的情況下,動(dòng)詞可省略。如:This way, please. = Go this way, please. 請(qǐng)這邊走。 精選ppt792. Let型的否定式有兩種:“Dont + let + 賓語 + 動(dòng)詞原形 + 其它成分”和“Let + 賓語 + not + 動(dòng)詞原形 + 其它成分”。如:Dont let him go. / Let him not go. 別讓他走。 3. 有些可用no開頭,用來表示禁止性的

55、祈使句。如:No smoking! 禁止吸煙!No fishing! 禁止釣魚! 精選ppt802. Be型(即:Be + 表語(名詞或形容詞)+其它成分)。如:Be a good boy! 要做一個(gè)好孩子! Be quite.安靜 Be careful！小心！3. Let型(即:Let + 賓語 + 動(dòng)詞原形 + 其它成分)。如:Let me help you. 讓我來幫你。 否定結(jié)構(gòu): 1. Do型和Be型的否定式都是在句首加dont構(gòu)成。如:Dont forget me! 不要忘記我! Dont be late for school! 上學(xué)不要遲到! 精選ppt8117、There be

56、 句型句型There be 句型表示“某地存在某人/物”。它的構(gòu)成形式一般為There areis某物人地點(diǎn)。它即可以表示某地方有什么東西，也可以表達(dá)某地方有什么人。There are 20 students in a class. 班里有20名學(xué)生。There is an apple on the desk. 桌子上有個(gè)蘋果。精選ppt82一、There be 句型的句式否定句：be后加not。注意肯定句中的some變?yōu)閍ny。There isnt any water in the bottle. 瓶子里沒有水。疑問句：be提到主語前。同樣，some變?yōu)閍ny。一般疑問句的簡略肯定回答：Ye

57、s, there is/ are.否定回答：No, there isnt/ arent. 精選ppt83二、二、there be句型有數(shù)的變化 be的單復(fù)數(shù)取決于其后的主語，單數(shù)主語用is，復(fù)數(shù)主語全用are；如有并列主語時(shí)，be隨第一主語變，即就近原則。There is a pen and two erasers on the desk. 課桌上有一支鋼筆和兩塊橡皮。There are two erasers and a pen on the desk. 課桌上有兩塊橡皮和一支鋼筆。精選ppt84三、there be句型與have的區(qū)別當(dāng)表示“人”（有生命的）有的時(shí)候，用have或has，強(qiáng)

58、調(diào)所屬關(guān)系；當(dāng)表示“物”（無生命的）有的時(shí)候，用there is 或 there are，強(qiáng)調(diào)空間上的存在。I have a brother. 我有一個(gè)弟弟。There are many apples on the table. 桌子上有許多蘋果。精選ppt8518. 一般現(xiàn)在時(shí)一般現(xiàn)在時(shí) 一般現(xiàn)在時(shí)表示經(jīng)常性或習(xí)慣性的動(dòng)作，或表示現(xiàn)在的特征或狀態(tài)。 其動(dòng)詞形式是：動(dòng)詞原形(只有第三人稱單數(shù)作主語時(shí)除外，要加-s)其疑問句和否定句需要用助動(dòng)詞do或does 1) 肯定句用行為動(dòng)詞原形表示 They get up very early every morning. 他們每天早晨起來很早。 精選p

59、pt86 2) 否定句用dont + 動(dòng)詞原形來表示 We do not go shopping on Sundays. 我們周日不去購物。 3) 一般疑問句則是把助動(dòng)詞do提前至句首，后面動(dòng)詞用原形。回答時(shí)，肯定用 “Yes, 主語+do”;否定句用 “No, 主語+dont”。 Do they go to school at seven oclock? 他們七點(diǎn)去上學(xué)嗎? -Yes, they do. 精選ppt87一般現(xiàn)在時(shí)用來表示經(jīng)常的或習(xí)慣性的動(dòng)作，常與以下的時(shí)間狀語連用：often 經(jīng)常，always 總是，sometimes 有時(shí)，usually 通常，every day/ week 每天/ 周等。I visit my grandparents every week. 我每個(gè)星期都去看祖父母。 She is always late for class. 她總是上課遲到。 精選ppt88主語為第三人稱單數(shù)時(shí)的一般現(xiàn)在時(shí) 一般現(xiàn)在時(shí)態(tài)，當(dāng)主語為第三人稱單數(shù)時(shí)，謂語動(dòng)詞也要是第三人稱單數(shù)，后要加-s或-es。 He likes reading at night. 他喜歡夜里讀書。The little cat drinks milk every day. 小貓每天都喝牛奶。