初中英語情態(tài)動詞

1、c o n t e n t s一、情態(tài)動詞的那些事兒一、情態(tài)動詞的那些事兒二、情態(tài)動詞的那些一般用法、情態(tài)動詞的那些一般用法三、情態(tài)動詞的那些推測用法、情態(tài)動詞的那些推測用法四、情態(tài)動詞的那些特殊用法、情態(tài)動詞的那些特殊用法情態(tài)動詞的那些事兒情態(tài)動詞的那些事兒part one情態(tài)動詞的那些詞兒maymight cancould willwould shallshouldmusthave toneed 情態(tài)動詞的那些特點(diǎn)cai xukun can sing songs well.fan chengcheng can sing songs well too.but dong yanlei cant

2、 sing songs well.3.3. 有助動詞有助動詞的作用的作用1. 1. 不能單獨(dú)不能單獨(dú)作謂語，必須與作謂語，必須與動詞原形動詞原形連用連用2. 2. 沒有沒有人稱和數(shù)的人稱和數(shù)的變化變化情態(tài)動詞里的那些一般用法情態(tài)動詞里的那些一般用法part two may/might can/could will/would shall/should must/have to/needmay i go to the ball?yes, you may.yes, you can.no, you mustnt.no, you cant.maymight意義：請求獲得對方的允許，“可以”might

3、(委婉語氣)否定-mustnt/cant肯定-may/canmusthave toneed1.否定mustnt, “禁止”2.否定回答用 needntno, you neednt.no, you dont have to.must i do the housework?yes, you must.musthave toneed3. must 與have to 的區(qū)別i must go to the ball. but i have to finish the housework, before i go to the ball.cancould 1.表具備某種能力：能，能夠； could (過

4、去的能力) cinderella could dance well in the past. cinderella can dance well now.cancould 2. 表請求和允許：“可以”= may； could (委婉語氣) 回答：肯定-can 否定-cant could i dance with you?yes, you can.知識要點(diǎn)總結(jié)知識要點(diǎn)總結(jié)情態(tài)動詞本意may, mightcan, couldmust允許 能力，允許必須否定含義不能不可以不可以禁止回答 may/canmustnt/cant can cant must neednt1. -must he sing t

5、he song in english ? -no, he _.a. neednt b. cant c. mustntpractice makes perfect2. -mum, _ i visit the science museum tomorrow ? -im afraid you_. it is closed on monday.a. must; mustnt b. may; cantc. should; cantpractice makes perfect3. -mum, _ i play football this afternoon ? -sure, but you _ finis

6、h your homework first.a. may, could b. can, must c. can, mustnt d. may, cantpractice makes perfectwillwould 1.用于第二人稱的疑問句中，表“請求、建議”等; would (委婉)2.用于表示意志，意愿或決心，意為“會，愿意”。 will指現(xiàn)在，而would指過去。will you marry me?yes, i will.i will love you forever.shall should 1.征求對方意見，用于第一，第三人稱疑問句中shallshall we hold our we

7、dding this sunday?ok.shall should 意為：應(yīng)該。表達(dá)義務(wù)，職責(zé)（說話人的觀點(diǎn)）shouldas human, we should be kind to others.1. -many people play with mobile phones all day instead of reading books.-thats too bad. everyone _ be a book lover. reading is more enjoyablea. mayb. shouldc. wouldpractice makes perfectlets take a br

8、eak!情態(tài)動詞那些推測用法part theremay (might)can (could)must can/could may/might must 用于用于肯定句肯定句 “可能可能”might (可能性更小可能性更小)050100用于用于疑問句，否定句疑問句，否定句“不不可能，可能嗎可能，可能嗎”could (可能性較??；可用于可能性較?。豢捎糜诳隙ň?，疑問句，否定句肯定句，疑問句，否定句)用在用在肯定句肯定句中中 “一定一定”guessing gamewho is this?it _ be fan bingbing.it _ be guo jingming.it _ be wang ba

9、oqiang.its a he.its not very tall.he played as tang ren in the movie detective chinatown.mustmay/mightcant1. the girl in the classroom _ be sarah. she has gone to the library.a. may b. must c. cant d. needntpractice makes perfect2-whose book is this ? -i am not sure. it _ be marys.a. shall b. must c

10、. mightd. canpractice makes perfect3. -listen. i think it _ be mr. white singing in the office. -no. it _be him. he left for london just now.a. must, mustnt b. may, mustnt c. must, cant d. can, canpractice makes perfect4. -he_be in the classroom, i think. -no, he_be in the classroom. i saw him go ho

11、me a minute ago.a. can； may notb. must； may notc. may； mustntd. may； cantpractice makes perfect情態(tài)動詞的那些特殊用法part fourused to dobe/get used to doinghad better do情態(tài)動詞的那些特殊用法 意義used to dobe/get used to doing過去常常做某事習(xí)慣于做某事obama used to eat hamburger, but now he is used to eating spicy bar.情態(tài)動詞的那些特殊用法 had b

12、etterhad better do 最好做had better not do 最好不要做youd better work hard in middle school. 表達(dá)表達(dá)“建議建議”和和“忠告忠告”，had better do“為好為好”，建議某人建議某人“最好不最好不”，要用要用had better not do。1. my grandfather _ live in the countryside，but now he _ living in the city.a. used to; used tob. got used to; gets used toc. used to; ge

13、ts used topractice makes perfect2. -youd better too much time chatting online -oki wonta. dont spendb. not to spendc. to not spendd. not spendpractice makes perfect1. -i dont care what people think? -well, you _ . youre not alone in this world.a. canb. mayc. shouldd. will真題演練2. -may i take the dog with me, sir? - _ . pets are not allowed to enter the hall.a. yes, you may.b. no, you mustnt.c. yes, you can.d. no, you neednt. 真題演練3. -will jim fly to taiwan for a holiday? -he _ try. in fact, it depends on how much the journey costs.a. mayb. has toc.