2022年2022年初中情態(tài)動詞用法總結(jié)

1、精選學習資料 - - - 歡迎下載專項：情態(tài)動詞一 考點： 情態(tài)動詞的用法和辨析, 情態(tài)動詞表示估計和可能,由情態(tài)動詞引導(dǎo)的一般疑問句的回答；二 類型：1 只為情態(tài)動詞： can、 could、 may、 might、 must2 可做情態(tài)動詞,可做實義動詞：need、 dare3 可做情態(tài)動詞,可做助動詞：will、 would、 shall、 should4 特別： have to、 ought to、 used to三 特點：1 有肯定的詞義,但不能單獨作謂語,必需與行為動詞和系動詞連用構(gòu)成謂語；精品學習資料精選學習資料 - - - 歡迎下載四 用法：2 無人稱和數(shù)的變化；（haveto

2、 除外）eg: he has to stay here.3 后接動詞原形；4 具有助動詞作用,可構(gòu)成否定,疑問或簡短回答；精品學習資料精選學習資料 - - - 歡迎下載1. can 表示才能, “能,會 ”；eg : can you play basketball. 表示懷疑,推測,常用于否定句或疑問句；精品學習資料精選學習資料 - - - 歡迎下載eg :li hua canbeintthe classroom.精品學習資料精選學習資料 - - - 歡迎下載 表示懇求,答應(yīng),多用于口語,譯“可以”=may.eg: you can go now.can 開頭的疑問句,確定句,否定句用can 或

3、 can t.2. couldcan 的過去式,表示過去的才能；eg :i could swim when i was seven years old.could 開頭的疑問句,確定和否定回答用could、 couldn t 假如 could表示現(xiàn)在的委婉,用can 回答；eg: could i have a drink. yes、 you can.3. may 表示估計, “可能,或許 ”,用于確定句；eg: he may come tomorrow. 表示懇求, “許可、可以”；eg: may i borrow your book.注：表示懇求,許可時,主語為第一人稱的一般疑問句,否定回1

4、精品學習資料精選學習資料 - - - 歡迎下載答用 mustnt不“可以,禁止,不許 ”不、用 may not “可能不 ”；表示希望； eg :may you success.4. might 表示 “可以”,用于過去時中；eg: he told me i might smoke in the room.用于現(xiàn)在時,表示說話更委婉,禮貌；eg:he might be doing his lessons now.5. must 表示 “必需,應(yīng)當 ”；表示估計,常用在確定句中,表“肯定”；eg:there is someone knocking at the door.it must be j

5、im.否定句中, mustnt 表示禁止,“不答應(yīng)”；以 must 開頭的疑問句, 確定句回答用 must、否定回答用 neednt 、 表示 “不需要,不必” =“ dont have to”.表示“偏偏”；eg: must you play the piano at this time.6. need 情態(tài)動詞： +do、用 need 提問或回答,確定句回答用must 、否定句回答用 neednt. eg: you neednt come to school so early.實義動詞： +to do 、用助動詞提問和否定；+doing 表示被動；neednt have done 表示沒必

6、要做某事但為做了； eg: i actually neednt have bought so much wine.7. dare 情態(tài)動詞,多用于疑問句,否定句,條件句中；eg: i mafraid you dare not to do such a thing.注： i dare say 習慣說成“或許,我想” ；eg: it will rain this afternoon、 i dare say.實義動詞： dare to do 、用于確定句中, 當用于否定句或疑問句時, to 可以省略； eg: this student doesntdare to raise any question

7、 in class.8. shall用于第一人稱表示征求看法,詢問；eg: shall i open the window. shall we have lunch here.表示說話人的態(tài)度, “命令,警告,承諾,威逼” ；eg: you shall finish your homework first.2精品學習資料精選學習資料 - - - 歡迎下載用于第三人稱, 在條約, 規(guī)定,法令等文件中表示義務(wù)或規(guī)定, “應(yīng)該,必需”；（不常用）9. should表示義務(wù),責任“應(yīng)當” ；eg:we should obey traffic laws.作為shall 過去式,用于第一三人稱,表示征求看

8、法；eg:mrlee asked if he should get his visa.表示“竟然”；eg: it s unthinkable that the boy should sing such a beautiful song.表示說話人的特別情感,如詫異,憤慨,掃興等；eg: how should i know.表示勸說,建議, “應(yīng)當”；eg: you should listen to your teacher.10. will用于其次人稱表示詢問, 懇求,也可以表達現(xiàn)在的 “意愿”；eg: will you pass me the book.表示意愿,打算,承諾,用于各種人稱；e

9、g: i will try my best to help you.表示規(guī)律性的“注定會” ；eg: people will die without air or water.11. would 表示過去的意愿或委婉詢問；eg: would you tell me the way to the station.12. have to “必需,不得不” ,強調(diào)客觀需要,含有時態(tài)的變化；eg: i ll have to ask jim instead.區(qū)分： must 表示“必需,應(yīng)當“,主觀看法；13. oughtto 表示職責, 義務(wù)或要求, 及人們應(yīng)當去做的正確的事或好事；eg: human

10、s ought to stop polluting nature.比 should 語氣強, ought to 反映客觀情形, should 表示主觀看法； ought to have done 本應(yīng)當做而沒有做；eg: you are late. you ought to have arrived five minutes earlier.14. used to 表示“過去經(jīng)常,過去為“,沒有人稱和數(shù)的變化,可以和過去的3精品學習資料精選學習資料 - - - 歡迎下載時間狀語連用；否定形式：usedntto 或 didntuse to 疑、use提前或 diduse to.eg: he di

11、dnt use to be so careless.問詞將精品學習資料精選學習資料 - - - 歡迎下載區(qū)分 would :帶有主觀性,并且現(xiàn)在做不做不知道；used to : 客觀性,和現(xiàn)在進行對比,過去經(jīng)常,現(xiàn)在就不怎么做了；eg: he would phone me on sunday.eg: i used to be very fond of music when i was young.區(qū)分： be used to doing （情態(tài)動詞）習慣于used to do （情態(tài)動詞）過去為,過去經(jīng)常be used to do 過去式 被用來做eg: i am already used t

12、o noisy city life here.my parents used to live in south america. this machine is used to cut up waste paper.15.其他： had better do最好做某事eg: you had better stay at home.否定： had better not do be able to與 can 表示才能時用法相同,但前者有時態(tài)的變化,有才能勝利做某事；eg: we will be able to come back next week.專題練習 ：1 1 john come to se

13、e us tonight、 but he isn't very sure yet.a. may b. can c. has to d. must 2 they do well in the exam.a. can be able to b. be able to c. can able to d. are able to 3 -may i take this book out.-no、 you .a. can't b. may not c. needn't d. aren t 4 you go and see a doctor at once because you&#

14、39;re got a fever.a. can b. must c. dare d. would 5 -can you speak japanese.-no、 i .a. mustn't b. can't c. needn't d. may not4精品學習資料精選學習資料 - - - 歡迎下載2 1 -he be in the classroom、 i think.-no、 he be in the classroom. i saw him go home a minute ago.a. can; may not b. must; may not c. may; c

15、an't d. may; mustn t 2 -shall i get one more cake for you、 dad.-thanks、 but you 、 i've had enough.a. may not b. must not c. can't d. needn t 3 even the top students in our class can't work out this problem、 so itbe very difficult.a. may b. must c. can d. need 4 he isn't at school

16、. i think he be ill.a. can b. shall c. must d. has to 5 i take this one.a. may b. will c. ared. do3 1 the children play football on the road.a. can't b. can c. mustn't d. must 2 you be late for school again next time.a. mustn't b. needn't c. don't have to d. don't need to 3 -

17、must i do my homework at once.-no、 you .a. needn't b. mustn't c. can't d. may not 4 1 his arm is all right. he go and see the doctor.a. has not to b. don't have toc. haven't to d. doesn't have to 2 he had to give up the plan、 he. a. did b. didn't c. does d. doesn't 3

18、they had to walk here、 they.a. mustn't b. did c. didn't d. hadn't 5 1 he had better stay here、 he. a. didn't b. don't c. hadn't d. isn't 2 you'd better late next time.a. not to be b. not be c. won't be d. don't be 3 you'd better your hair once a month.a. h

19、ad; cut b. had; cuttedc. have; cut d. have; cutted 4 you ask that man over there. maybe he knows the way.a. had better not to b. had not better c. had better d. had better not 6 1 -shall we go and visit the history museum next sunday.a. here you are b. sorry、 i can't c. yes、 please d. let me try 2 -why don't you ask mike to go with us.-thanks、 .a. i will b. i won't c. lean d. i may 3 - i take the newspaper away.5精品學習資料精選學習資料 - - - 歡迎下載-