Module10-Module11-Module12語法情態(tài)動(dòng)詞課件外研版英語八年級上冊

1、情態(tài)動(dòng)詞情態(tài)動(dòng)詞復(fù)習(xí)can學(xué)習(xí)maymight學(xué)習(xí)must/need 表示推測的用法 CONTENT復(fù)習(xí)can學(xué)習(xí)may學(xué)習(xí)must/need 表示推測的用法復(fù)習(xí) 情態(tài)動(dòng)詞 can第 一 部 分復(fù)習(xí) 情態(tài)動(dòng)詞 can第 一 部 分He can run.They can _, but they _play tennis. play basketball cant意為：“能；會”表示能力(體力，知識、技能)He can run.They can _1. 情態(tài)動(dòng)詞 + V原形=謂語動(dòng)詞He can run.They can play basketball,but they cant play ten

2、nis.2. 情態(tài)動(dòng)詞無人稱和數(shù)的變化3. 情態(tài)動(dòng)詞的否定是在情態(tài)動(dòng)詞后加 not 情態(tài)動(dòng)詞1. 情態(tài)動(dòng)詞 + V原形=謂語動(dòng)詞He can run.2Task 12. I can not play basketball. 3. I need buy / bought a computer. 4. She can / cans ride a horse. 1. I can play / played basketball. Task 12. I can not play basketmay 可能；可以can 能；可以must 必須；一定need 需要 + V. ( )原形may not 可能不

3、cant 不可能；不可以mustnt 禁止neednt 不需要；不必 may 可能；可以+ V. ( )原形關(guān)于can 的用法總結(jié)(能) 表示能力 He can speak English. 表示猜測-100%否定 Can I help you? 表示請求或允許 -Look at woman at the gate! Its our teacher.-That cant be our teacher, because she went to Shanghai yesterday .can not=cant 不會；不可能can -could 表請求時(shí) could語氣更委婉，主要用于疑問句，答語應(yīng)

4、用can.Could I come to see you tomorrow? Yes, you can. 關(guān)于can 的用法總結(jié)(能) 表示能力 He1. Who is the man over there? Is it Mr Li? No, it _ be him. Mr Li is much taller. A. mustnt B. may not C. cant D. needntC中考真題2. You _ go and ask Meimei. She _ know the answer.A. must; can B. must; may C. need; can D. can; may

5、D3._you pass me a pen? Id like to write down the telephone number. A. Need B. Could C. Must D. ShouldB1. Who is the man over there情態(tài)動(dòng)詞之may might第 二 部 分情態(tài)動(dòng)詞之第 二 部 分1. 表示請求或允許 :mayMay I go home，please? mustnt / you cant.以may（表許可或請求）開頭的一般疑問句,肯定回答用may，否定回答用mustnt或cant. May I borrow the book ？ 我可以借這本書嗎？

6、Yes, you may.No, you _ May I use your pen for a while? 我能用用你的鋼筆嗎？canmaymay not“可能不”。關(guān)于may 的用法總結(jié)(可以)may-might語氣較為婉轉(zhuǎn)客氣1. 表示請求或允許 :mayMay I go home，1. 表示請求或允許 :mayMay I go home，please? 2. 表示希望、祝愿。3. 表示猜測（可能） :No, you _ Yes, you may.mustnt / you cant.以may（表許可或請求）開頭的一般疑問句,肯定回答用may，否定回答用mustnt或cant. mayca

7、nMay you be happy！ 祝你幸福！關(guān)于may 的用法總結(jié)(可以)下周她可能到上海去。你可能是對的。 他明天也許會（不會）來這兒。 He may（may not） come here tomorrow. may-might語氣較為婉轉(zhuǎn)客氣may not“可能不”。may-might語氣更加不肯定。 You may / might be right.She may / might go to Shanghai next week. 1. 表示請求或允許 :mayMay I go home，maybe adv.possible bably adv.Maybe I will

8、 go with them. 也許我會和他們一起去。It is possible to get to the airport before seven. 七點(diǎn)前可能到達(dá)機(jī)場。 It is possible that I tell him the wrong time. 可能我告訴了他錯(cuò)誤的時(shí)間。 一般用于句首It is possible to do sth. 做某事是可能的 It will probably be. 可能性在這幾個(gè)詞中最大 It is possible + that從句maybe adv.Maybe I will go Complete the sentences with m

9、ay or probably.1. It be cold and wet in Hong Kong in January.2. Mary will go to New York in the autumn.3. It will rain tomorrow, so I will stay at home and read a book.4. You _ need to take a scarf with you. It is cold.5. It rain later, so take an umbrella with you.6. It will be sunny in Haikou tomo

10、rrow.mayprobablyprobablyprobably/maymayprobablyComplete the sentences with ma情態(tài)動(dòng)詞之must第 三 部 分情態(tài)動(dòng)詞之must第 三 部 分0102表示命令“必須”關(guān)于must 的用法總結(jié)(必須)You must come early tomorrow must not=mustnt 不許；禁止一般疑問句的回答-Must you come early tomorrow?- Yes, you must.- No, you neednt / dont have to.03表示猜測：100%肯定， “一定；肯定”They

11、must be at home. The light is on. 0102表示命令“必須”關(guān)于must 的用法總結(jié)(必We must follow the traffic rules.We must follow the traffic rulYou _be late for school.must?mustnt?School rules mustntYou _listen to your teacher carefully. mustYou _be late for school.1.- _I do the laundry first? No, you_. You can do your

12、homework first.A. Must; mustnt B. Can; mustnt C. Must; neednt D. May; needntC中考真題2.You _ be quiet when you are in a library. A. may B. can C. will D. mustD3.-Must I finish all the work before I leave? -Yes, you _ .” A. must B. can C. mustnt D. needntA1.- _I do the laundry fmust 必須have to 必須區(qū)分 must &

13、 have toWe must study hard to find a good job.表示主觀因素My sister is ill,so I have to stay at home to look after her.不得不/被迫表示客觀因素must 必須have to 必須區(qū)分 must & hav側(cè)重點(diǎn)不同時(shí)態(tài)形式不同否定式的結(jié)構(gòu)和意義不同musthave tomust只有一個(gè)形態(tài)；have to有多種時(shí)態(tài)。mustnt 禁止；不允許have to的否定為dont have to 不必=neednt.側(cè)重于主觀看法，認(rèn)為有必要或有意義去做某事；側(cè)重于客觀需要，含有“不得不、被迫”之

14、意。You dont have to tell him about it.You mustnt tell him about it.你不一定要把此事告訴他。 你不得把這件事告訴他。側(cè)重點(diǎn)不同時(shí)態(tài)形式不同否定式的結(jié)構(gòu)和意義不同musthave比較：may not / cant /mustntYou may not smoke hereYou cant smoke here You mustnt smoke here 1. 語氣2. 推測比較：You may not smoke hereYou 情態(tài)動(dòng)詞之need第 四 部 分情態(tài)動(dòng)詞之need第 四 部 分01作情態(tài)動(dòng)詞 “需要”，通常用在否定句

15、或疑問句中。 neednt uy a big house.You need to take a camera with you.02作行為動(dòng)詞 “need to do sth. 需要做某事關(guān)于need 的用法總結(jié)(需要)Need I buy a big house ? -Yes, you must.- No, you neednt / dont have to. (不必要)01作情態(tài)動(dòng)詞 “需要”，通常用在否定句或疑問句中。 nhad better do sth第 五 部 分had better do sth第 五 部 分Eg： 你最好去看醫(yī)生。You had better go to see

16、 a doctor.你最好別待在這兒。Youd better not stay here.(最好)had better do sth 最好had better not do sth關(guān)于had better do sth 的用法總結(jié)(最好)had better do sth 最好had 1. It rained heavily, so we _ stay at home watching TV all day. A. could B. had to C. must2. May I take the book out of the reading room? No, you cant. You _

17、 read it here. Its the rule. A. must B. would C. may BAPractice:3. Dad, may I watch TV? No. You _ finish your homework first. A. must B. can C. may 4. Bob, shall we go and meet our new classmate? Sorry. Im busy now. But you _ ask David to go with you. Aneed Bmay CmustAB1. It rained heavily, so we _5

18、. Could I borrow your dictionary? Yes, of course you _. A. might B. will C. can D. should6. You _ return the book now. You can keep it till next week if you like. A. cant B. mustnt C. neednt D. may notC C 7. Jake, you _ play with the knife, you _ hurt yourself. A. wont ; cant B. mustnt ; may C. shouldnt ; must D. cant ; shouldntB 8. -Will you s