[譯林版]6A助動詞-do-does的練習(xí)

1、be 動詞，情態(tài)動詞，助動詞do/does 的用法區(qū)別及練習(xí)1. 由連系 am ， is， are 構(gòu)成的句子：變一般疑問句時(shí)把a(bǔ)m ， is， are 提到句子的前面，句尾用問號即可。變否定句時(shí)直接在am ， is， are 后面加 not 即可。例如：肯定句 :He is a student.一般疑問句: Is he a student ？否定句 : He is not a student.畫線提問: 對 he 提問 : Who is a student?對 a student 提問 : What is he ？ or What does he do ？2. 由情態(tài)動詞can, may,

2、should 等構(gòu)成的句子: 變一般疑問句時(shí)把can,may,提到句子的前面,句尾用問號即可.變否定句時(shí)直接在can,may, 后面加 not 即可 . 例如 :肯定句: She can swim.一般疑問句: Can she swim?否定句: She can not swim.畫線提問: 對 she 提問 : Who can swim?對 swim 提問 : What can she do ？3. 由行為動詞構(gòu)成的句子: 需要加助詞do 或 does. 變一般疑問句時(shí)把do/does放在句子前面. 變否定句時(shí)把don t/doesn t 放在動詞的前面。要注意觀察動詞的形式并對號入座。一般

3、疑問句和否定句的動詞三單式都要變回原型。playdo playsdoes例如 :肯定句 : They play football after school. He plays football after school.一般疑問句: Do they play football after school? Does he play footballafter school?否 定 句 : They don't （do not） play football after school. He doesn t play football after school.畫線提問: 對 they/he

4、 提問 : Who plays football after school?對play football提 問 : What do they do after school? Whatdoeshe do after school?對after school 提 問 : When do they play football? Whendoeshe play football?針對性練習(xí)按要求改寫句子：1. I know the answer.（ 一般疑問句）the answer?2. We can see some birds.（ 一般疑問句）see birds?3. He designs cl

5、othes.（ 一般疑問句）he clothes?4. There are some flowers on the teachers desk.（） 一般疑問句flowers on the teachers desk?5. There are some apples on the tree.（ 否定句 ）There apples on the tree.6. I think he is very old.（ 否定句 ）I think he very old.7. Please colour it green.（ 否定句 ）colour it green.8. These doctors are

6、 helpful.（ 變否定句）.9. You may have some hot dogs.（ 一般疑問句）?.10. There aren yt apnears in the box.（ 同義句 ）There are pears in the box.11. This sign means “ No smoking ”.What this sign ?12. She looks young. （改一般疑問句）she young?13. She is young. （改為一般疑問句）?14. My pencils are in the pencil-box.（ 對劃線部分提問）your pe

7、ncils?15. I get up at six every day.（ 對劃線部分提問）you get up every day?16. They like to walk home.（ 改為一般疑問句）they ?17. These are cars.（ 用 buses 改寫成選擇疑問句）Are these cars?18. My plant is one month old.（ 就劃線部分提問）plant?19. Two boys are in our house.（ 改為 there be 句型 ） two boys in our house.20. My plant has two

8、 green leaves.plant ?21. Miss Li goes to Hong Kong by plane. （同義句）Miss Li Hong Kong.22. The women work in the shoe factory. （就劃線部分提問） women ?23. He is happy, because he is going to take a trip tomorrow. （就劃線部分提問）?24. My father can cook the meals. （就劃線部分提問） father ?25. You should add water often. （一般

9、疑問句）water often?一、變否定句時(shí)相關(guān)詞的改變肯定句變否定句時(shí)，除將謂語變?yōu)榉穸ㄊ酵猓渲衅渌~語也可能隨之改變，如將 some 改為 any ， too 和 also 改為 either ， already 改為 yet ， and 改為 or 等：There are some birds in the tree. 樹上有些鳥。f There aren ' t any birds in the tree.樹上沒有鳥。He likes the girl, too. 他也喜歡這個(gè)女孩。fHe doesn ' t like the girl, either.他也不喜歡這

10、個(gè)女孩。We have already seen the film. 我們已看過這部電影。fWe have not seen the film yet. 我們沒有看這部電影。He likes singing and dancing. 他喜歡唱歌和跳舞。fHe doesn ' t like singing or dancing. 他不喜歡唱歌也不喜歡跳舞。二、部分否定與完全否定比較以下句子：All of us laughed when we heard it. 聽到這事時(shí)我們都笑了。（肯定句 ）All of us didn ' t laughed when we heard it聽到這事時(shí)我們并未都笑。（部分否定 ）Not all of us laughed when we heard it. 聽到這事時(shí)我們并未都笑。（部分否定 ）None of us laugh