1、精選優(yōu)質(zhì)文檔-傾情為你奉上情態(tài)動(dòng)詞一、情態(tài)動(dòng)詞的定義：情態(tài)動(dòng)詞有詞義，但它不能單獨(dú)作謂語，它必須和其他動(dòng)詞一起構(gòu)成謂語。情態(tài)動(dòng)詞沒有人稱和數(shù)的變化；它的后面必須跟動(dòng)詞原形。二、小學(xué)階段常見的情態(tài)動(dòng)詞：情態(tài)動(dòng)詞詞義否定形式詞義can能夠，會(huì)cant不能，不會(huì)could能夠，會(huì)couldnt不能，不會(huì)may可以must必須mustnt 不允許，不能shall將，要should應(yīng)該shouldnt不應(yīng)該will將會(huì)wont 不會(huì)would將會(huì)，愿wouldnt不會(huì)，不愿三用法特點(diǎn) 它們必須與其他動(dòng)詞連用，即：肯定：情態(tài)動(dòng)詞動(dòng)詞原形：He can swim.否定：情態(tài)動(dòng)詞+not+動(dòng)詞原形：He ca

2、n not(cant)swim.一般疑問句：把情態(tài)動(dòng)詞提前：Can he swim?Yes,he can./No,he cant.表示說話人對(duì)所述動(dòng)作的看法，如需要、可能、意愿或懷疑等。情態(tài)動(dòng)詞沒有人稱和數(shù)的變化，即第三人稱單數(shù)不加-s，有些情態(tài)動(dòng)詞有時(shí)態(tài)的變化 在意義上，情態(tài)動(dòng)詞具有“多義性”。例：can既可表示能力，又可表示可能、允許等意義。四、情態(tài)動(dòng)詞的用法及主要句型：1、Can I help you? Yes, please. / No, thanks.2、Can + 主語 + 動(dòng)詞原形? Yes, can. No, cant.3、Can I borrow（借用） your book?

3、-Yes,of course.4、Can I write on the book? -No, you cantmustnt. 5、Could Can you help me?- Yes,of course.Certainly. Sure. 6、Could Can you tell me the way to the zoo?7、May I come in ?- Come in, please.8、May I sit here?- Yes, please.Sorry, please dont.9、May I have some Coke?- Yes, of course.10、May/ Coul

4、d / Can I speak to Tom? -Speaking. Whos calling?11、should 、shouldnt 表示勸告：1) He should get up early. 2) She shouldnt play computer game too much.12、Should +主語 +動(dòng)詞原形? Yes, should. No, shouldnt.13、表示建議“你愿意嗎”Would you like to go shopping with me? -Yes, Id love to. /Id love to. But Im busy now.14、就餐用語Wou

5、ld you like something to eatdrink? -Yes, Id like15、shall用于第一人稱(I, we), 可以表示“將”和表示建議 “好嗎?” 1) Where shall we have dinner?2) Shall we go fishing? -All right. OK. Good idea.16、Must + 主語 + 動(dòng)詞原形? -Yes, must.No, neednt. 情態(tài)動(dòng)詞練習(xí)一按照要求改寫句子1.   I can run fast. I _ _ fast. (否定句)2.  

6、0; You must return the book now.（一般疑問句） _ I return the book now? No, you _.3.    He can play basketball well. （一般疑問句） _ he _ basketball well?4.   They must take the books out of the room. （否定句） They _ _ the books out of the room. 5.   He should get up ear

7、ly.   (否定句) He _ get up late. 6. Daniel must watch TV every evening.(改為否定句)_7. I cant do my homework every day.(改為肯定句)_8. Youll need your book and pen.(改為否定句)_ 9.We shall like playing computer games.(翻譯句子)_10. She should go to school every morning.(改為否定句)_11. He can speak English

8、 very well.(翻譯句子)_12. Would you like to drink coffee?(肯定回答)_13.   She can walk quickly. (否定句) 14.    They can paint the wall well. （一般疑問句）_15.   Tom must carry the box into the room. （否定句） _16.   She should reach the station early.  &#

9、160;(否定句) _ 二 單項(xiàng)選擇。（）1.  you like some milk ? A .  Would B.  Could C .  Can（）2. We pick the flower in the park. A.  cant B.  don't C.  mustnt ( ) 3.We should more trees, and we shouldnt cut any trees. A.  plant B.

10、60; planting C.  plants ( ) 4.May I have some coffee? A.Yes,you have.   B. Yes,you can.  C.  Yes,certainly. ( ) 5.Shall we visit the factory? A.Yes,we do. B.Yes, we shall.  B.All right. ( ) 6.Would you like something to eat? A.Yes,we would. B.Yes, Id

11、 like some cakes. C.Yes, of course. ( ) 7.What can I do for you? A.Yes,you can. B.No,I can do it. C. Yes.Id like some oranges.（）8.  you like some bread ? A .  Would B.  Could C .  Can（）9. We throw the waste in the zoo.A.  arent B.  don'

12、t C.  mustnt A.Yes,you have.   B. Yes,you can.  C.  Yes,certainly. ( ) 11.Would you like some tea? A.Yes,thank you. B.Yes, please.  B. No, here you are. ( ) 12.Can I help you? A.Yes,you can. B.No,I can do it. C.Yes.Id like some oranges. ( ) 13. May I your eraser ? A use B has C using( ) 14. Can she high? A jumps B jumping C jump( ) 15. What should Amy for her mum? A buys B buying C buy( ) 16. They may in the libtary. A