肯定句变成否定句以及把陈述句变成一般疑问句.doc

【专项练习】把肯定句变成否定句和一般疑问句【发卷日期】2013年_月_日 【学生姓名】_一、把肯定句变成否定句：分类肯定句如何变否定句例句【第一种情况】l 句中有be动词（am，is，are，was，were）；l 直接在be动词的后加not。l am not（无缩写形式）l is not（缩写：isnt）l are not（缩写：arent）【肯定句】He is a driver.【否定句】He is not a driver.【第二种情况】l 句中有情态动词；l 直接在情态动词后加not。中学阶段常用的情态动词：l can【可以】 can not或cannot（缩写：cant）l could【可以，can的过去式】 could not（缩写：couldnt）l shall【将要，应该】 shall not（缩写：shant）l should【将要，应该】 should not（缩写：shouldnt）l may【也许】 may not（缩写：maynt）l might【也许】 might not（缩写：mightnt）l will【将要】 will not（缩写：wont）l would【将，愿意】 would not（缩写：wouldnt）l must【很可能，必须】 must not（缩写：musnt）【肯定句】She will come tomorrow.【否定句】She will not come tomorrow.【第三种情况】（1）l 句中没有be动词或情态动词；l 句子是一般现在时；l 直接在动词前加助动词do not。do not（缩写：dont）+动词原形【注意】助动词是语法功能词，自身没有词义，不可单独使用，因此没有对应的中文翻译。【肯定句】They like apples.【否定句】They dont like apples.【第三种情况】（2）l 句中没有be动词或情态动词；l 句子是一般现在时；l 主语是第三人称单数；l 在动词前加助动词does not；l 动词变回原形。does not（缩写：doesnt）+动词原形【肯定句】He plays tennis every day.【否定句】He doesnt play tennis every day.【第三种情况】（3）l 句中没有be动词或情态动词；l 句子是一般过去时；l 在动词前加助动词did not；l 动词变回原形。did not（缩写：didnt）+动词原形【肯定句】They went to Paris yesterday.【否定句】They didnt go to Paris yesterday.【补充说明】（1）l 在肯定句中，当some或something表示“一些”或“某些东西”的时候，在否定句中要变成any或anything。【注意】在表示请求、建议或征求意见的疑问句中，some或something不必变成any或anything。例如：l Why dont you have some bread? 你为什么不吃点面包？l Would you like something to drink? 你想要喝点什么吗？【肯定句】There are some students in the room.【否定句】There are not any students in the room.【补充说明】（2）l 肯定句中的and，在否定句中应改为or。【肯定句】He has a music class and a P.E. class.【否定句】He doesnt have a music class or a P.E. class.二、把肯定句变成一般疑问句：肯定句如何变特殊疑问句分类例句【第一种情况】l 句中有be动词（am，is，are，was，were）；l 直接把be动词提到句首。【肯定句】He is a driver.【一般疑问句】Is he a driver?【第二种情况】l 句中有情态动词；l 直接把情态动词提到句首。【肯定句】She will come tomorrow.【一般疑问句】Will she come tomorrow?【第三种情况】（1）l 句中没有be动词或情态动词；l 句子是一般现在时；l 直接在句首加助动词Do。【肯定句】They like apples.【一般疑问句】Do they like apples?【第三种情况】（2）l 句中没有be动词或情态动词；l 句子是一般现在时；l 主语是第三人称单数；l 直接在句首加助动词Does；l 动词变回原形。【肯定句】He plays tennis every day.【一般疑问句】Does he play tennis every day?【第三种情况】（3）l 句中没有be动词或情态动词；l 句子是一般过去时；l 直接在句首加助动词Did；l 动词变回原形。【肯定句】They came back late yesterday.【一般疑问句】Did they come back late yesterday?【补充说明】（1）l 在肯定句中，当some或something表示“一些”或“某些东西”的时候，在否定句中要变成any或anything。【肯定句】There are some students in the classroom.【一般疑问句】Are there any students in the classroom?【补充说明】（2）l 肯定句中的and，在选择疑问句中应改为or。【肯定句】He has a music class and a P.E. class【一般疑问句】Does he have a music class or a P.E. class?【补充说明】（3）l 原句是第一人称I或we作主语的，改为一般疑问句时要变为第二人称you，动词必须随主语的改变而改变。【肯定句】I am a teacher.【一般疑问句】Are you a teacher?【肯定句】We are students.【一般疑问句】Are you students?6【练习】将下列各句改成否定句和一般疑问句：1. His father is driving a bus. 改为否定句：_改为一般疑问句：_2. Toms brothers are walking in the park.改为否定句：_改为一般疑问句：_3. There is a football on the floor.改为否定句：_改为一般疑问句：_4. There are forty-eight students in Class Five.改为否定句：_改为一般疑问句：_5. I come from China.改为否定句：_改为一般疑问句：_6. I am from America.改为否定句：_改为一般疑问句：_7. The moon moves around the earth.改为否定句：_改为一般疑问句：_8. The old lady over there teaches us English.改为否定句：_改为一般疑问句：_9. They got much information from those books.改为否定句：_改为一般疑问句：_10. Uncle Wang bought some meat yesterday.改为否定句：_改为一般疑问句：_11. Michael is reading a novel under the tree.改为否定句：_改为一般疑问句：_12. The little girl has an elder brother.改为否定句：_改为一般疑问句：_13. This pair of trousers is mine.改为否定句：_改为一般疑问句：_14. There was a concert here last weekend.改为否定句：_改为一般疑问句：_15. There were so many people in the park this afternoon.改为否定句：_改为一般疑问句：_16. Peter likes the film star Tom Cruise a lot.改为否定句：_改为一般疑问句：_17. John bought a new bike yesterday.改为否定句：_改为一般疑问句：_18. Lucy was late for school this morning.改为否定句：_改为一般疑问句：_19. The boys were playing football at this time yesterday.改为否定句：_改为一般疑问句：_20. The bag is one hundred and fifty yuan.改为否定句：_改为一般疑问句：_21. My mother goes shopping twice a week.改为否定句：_改为一般疑问句：_22. My uncle will be back