Unit_4_Don27t_eat_in_class知識(shí)點(diǎn)解析及練習(xí)習(xí)題

1、Unit 4 Dont eat in class一、知識(shí)點(diǎn)解析 t fight.不要打架。fight作動(dòng)詞，意為“打架、打仗”。fight with sb“和打架”，“同（并肩）戰(zhàn)斗”，后只接表示人或國(guó)家的名詞。Eg:Dont fight with him.不要和他打架。2. 辨析： get to/ arrive 相同點(diǎn)：都是“到達(dá)“的意思不同點(diǎn)：get to+地點(diǎn)；arrive at+小地點(diǎn)（車站等）；arrive in+大地點(diǎn)（國(guó)家等）注意：get to與地點(diǎn)副詞（here/there/home）不用介詞toEg:I want to go to Beijing.I got home at

2、15:00.我下午三點(diǎn)到的家。arrive是不及物動(dòng)詞，后面若接地點(diǎn)名詞則要和in/at連用，接地點(diǎn)副詞時(shí)則不用介詞。Eg: I arrived home at 15:00. =I got home at 15:00.He arrived in Shanghai yesterday.他昨天到的上海。He arrived yesterday.他昨天到的。【典型例題】-What time do they_shcool-At about 4:30 . at3. on time“準(zhǔn)時(shí)，按時(shí)”，指按規(guī)定的時(shí)刻不早不晚。Eg:He always go to school on time.他總是按時(shí)上學(xué)。i

3、n time“及時(shí)”，指沒有遲到，時(shí)間還充裕。Eg:Fireman reached the house on fire in time.消防員及時(shí)趕到那幢失火的房子。4.辨析take,bringtake“帶走，拿走”指把東西從說話地帶到別的地方，和there連用Can you help me take the books to the classroom你能幫我把這些書帶到教室嗎bring“帶來(lái)”指把東西從別處帶到說話地，和here連用。Bring your homework here tomorrow , please.請(qǐng)你明天把作業(yè)帶到這兒來(lái)?！镜湫屠}】_away this dirty

4、shirt and _ me a clean one.;bring ;take ;take ;bring4. strict是形容詞，意為 “嚴(yán)格的”； “嚴(yán)厲的”，通常與be動(dòng)詞連用。be strict with sb “對(duì)某人嚴(yán)厲”Eg:Mr. White is very strict with us. 懷特先生對(duì)我們要求很嚴(yán)格。 Teaches should be strict with students. 我們應(yīng)該對(duì)自己要求嚴(yán)格。be strict in (doing) sth “對(duì)某事要求嚴(yán)格”Eg:Our boss is strict in our work. 我們的老板對(duì)我們的工作

5、要求嚴(yán)格。 “記得，記住”，是及物動(dòng)詞，可以直接加名詞。remember doing sth記得做過某事（已做）Eg:I remember seeing him once.我記得見過他一次。remember to do sth 記得要做某事（沒做）Eg:Remember to post the letter for me.記得給我寄這封信。forget“忘記，忘了”，作remember反義詞時(shí)，用法和remember相同。作動(dòng)詞意為“幫助”，常用的結(jié)構(gòu)有：help sb (to) do sth幫助某人做某事help sb with sth(n.)幫助某人做某事Eg:I often help h

6、im with his lessons.我常幫他學(xué)功課。help還可作名詞，表示“幫助”，是不可數(shù)。 many, too much與much too易混詞組意義及用法例句too many形容詞，“太，太多”，接可數(shù)名詞There are too many people in the park.too much形容詞，“太多”，接不可數(shù)名詞I have too much homework today.much too副詞，“太，非?！?，接形容詞或副詞My mother is much too busy.【典型例題】I have _skirts and this one is _small for

7、 me, so you can take it if you like.A. too many; too much B. too much; much too C. too many; much too ,too與also易混詞意義及用法例句either“也”，用于否定句中，置于句末時(shí)用“，”隔開I wont go there, either.too“也”，用于肯定句句末，用“，”隔開I like dancing ,too.also“也”，用于肯定句句中,放在實(shí)意動(dòng)詞之前，be動(dòng)詞、助動(dòng)詞、情態(tài)動(dòng)詞之后。I also like English.【典型例題】I dont like her, _.

8、 fun=have a good time 玩得開心，玩得愉快. talking ! "禁止交談。"no后面加上名詞或動(dòng)名詞doing也表示不要做某事。與don't +do的用法相似。Eg:No wet umbrellas! / Don't put wet umbrellas here! 禁止放濕雨傘No food! Don't eat food here! 禁止吃食物 No smoking! Don't smoke here! 禁止吸煙 三、重點(diǎn)語(yǔ)法1. 情態(tài)動(dòng)詞have to 的用法：意思是"必須、不得不"它側(cè)重于客觀

9、上的必要和外界的權(quán)威。 結(jié)構(gòu)：have/has to do sth.不得不做某事 一般現(xiàn)在時(shí)：主語(yǔ)是第三人稱單數(shù)時(shí)用has to，其它時(shí)候用have toEg:We have to wear sneakers for gym class. 在體育課上我們必須穿運(yùn)動(dòng)鞋。 Tom has to practice the guitar every day. 湯姆每天必須練習(xí)彈吉它。 （I had to get up at 5:00 am last Monday. 上周一我不得不早上5點(diǎn)起床。） 否定形式:主語(yǔ)+don't have to+動(dòng)詞原形+其他一般現(xiàn)在時(shí):主語(yǔ)是第三人稱單數(shù)時(shí)用doe

10、sn't have to,其它時(shí)候用don't have to. Eg:Nick doesn't have to wear a uniform. 尼克不必穿制服。 We didn't have to do our homework at once. 我們不必馬上完成作業(yè)。 疑問句：Do 、Does或Did+主語(yǔ)+have to +動(dòng)詞原形+其他 Eg:-Do you have to stay at home on weekends 周末你必須呆在家里嗎 -Yes, I do. / No, I don't. 是的我必須。不我不必。 Did he have

11、to go to bed by 11:00 last night 昨晚他不得不11點(diǎn)前上床睡覺嗎【典型例題】Lucy has to wear sports shoes for gym class.(該為否定句)Lucy _ _ to wear sports shoes for gym class. 2.情態(tài)動(dòng)詞must的用法：must表示說話人的主觀看法，及主觀上的必要性，還用于命令或愿望。只用于現(xiàn)在時(shí)，無(wú)人稱和單數(shù)的變化。在表示有做某一個(gè)動(dòng)作的必要和義務(wù)，它的意思是“必須，應(yīng)該”。Eg:You must finish your homework fist.你必須先完成作業(yè)。以must開頭的一

12、般疑問句，它的否定回答用neednt（不必要），不用mustnt（不允許），mustnt常用于否定句中表示“不允許，禁止”。Eg:-Must I go there on foot我必須得走過去嗎 -No,you neednt.不，你不需要。 You mustnt park your car here.你的車不允許停在這兒?！镜湫屠}】Its very warm _wear the coat. to t t have to t3.情態(tài)動(dòng)詞can的用法： 表示能力："會(huì)""能"，在第上冊(cè)中已經(jīng)學(xué)習(xí)這種用法 Eg:Can you play the guitar

13、 你會(huì)彈吉它嗎Judy can speak a little Chinese. 朱蒂會(huì)說一點(diǎn)中文。 I can dance and sing. 我能唱歌又能跳舞。 表示允許、許可："可以"、"能"即在這一課中新學(xué)的詞義 Eg:Can the students run in the hallways 學(xué)生們可以在走廊上跑嗎We can eat outside. 我們可以在外面吃東西。Can I come in 我能進(jìn)來(lái)嗎 注意：同樣是情態(tài)動(dòng)詞can 和have to 的用法是有區(qū)別的，和大部分情態(tài)動(dòng)詞一樣，can在否定句中直接在can后加上not；在疑問句

14、中把can放到主語(yǔ)前面，并且沒有人稱和數(shù)的變化，而 have to 是有相應(yīng)變化的，詳情請(qǐng)參照上一條。 【典型例題】The children _play football on the road. t -Must I clean the blackboard-No,you _.t t t notYour mother _there,she has gone to America. be be be t be4. 祈使句（Imperative Sentence）定義：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?/p>

15、語(yǔ)）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)或感嘆號(hào)來(lái)表示結(jié)束。祈使句的肯定句：行為動(dòng)詞原形+其他Eg:Go and wash your hands.去洗你的手。命令 Watch your steps.走路小心。警告 Look out！Danger！小心！危險(xiǎn)！強(qiáng)烈警告，已如感嘆句 No Swimming.禁止游泳。禁止其中，以Let開頭的祈使句，Let后賓語(yǔ)是是第一人稱時(shí)，否定形式是在賓語(yǔ)后加not,Eg:Lets not do that again.我們別再那樣做了。 如果Let 后面賓語(yǔ)是第三人稱，否定形式是在Let前加助動(dòng)詞Dont,Eg:Dont let

16、 them come in.別讓他們進(jìn)來(lái)。 祈使句的否定通常使用“Don't ”，Don't+動(dòng)詞原形（行為動(dòng)詞/be動(dòng)詞）+其他 No+ V-ing No parking!不準(zhǔn)停車Eg: Don't let the dog in.不要讓那只狗進(jìn)來(lái)。 Don't touch, please.請(qǐng)不要用手觸摸?！镜湫屠}】1>_late for class!t be t be2>Run in the hallways.（改為否定句）_ _in the hallways.3>英譯漢：別在馬路上跑。_二、能力鞏固1、They have rules in

17、 their class. A. too much B . much too C. too many 2. Please play volleyball here. B. do C. dont _ Sam _go to bed by ten ; has to B .Does; have to C. Does; has to 4. -What are the school rules-We _ arrive late for class.A. dont B. cant C. dont have to 5. Please listen _ the teacher carefully.A. to B

18、. on C. at 6. We dont know Jack _ Bruce.A. and B. or C. about cant _ hats in the classroom.A. put on B. wear C. in 8. Dont _ TV after class.A. watch B. watchingC. to watch often _ English with the classmates.A. practice speak B .practices speakingC. practice speaking10. There is _ water on the floor

19、.A. too many B. too muchC. much too 11. We cant be late _ school.A. of B. on C. for12. Please help me _ English.A. learn B. to learningC. with speak , dont the dirty shoes in the bedroom.A. leave B. forget C. get 14. Eric cant be on time, Leo cant be on time .A. also B. too C. either 句型轉(zhuǎn)換1We cant listen to music in the classroom.(改為祈使句) to music in the classroom.2Eat in class, please.(