陈述句变否定句和一般疑问句一动词的分类：1. Be动词：am/is/are/was/were2. 助动词：do/does/did/have/has/had3. 情态动词：can/could/shoud/will/shall/may4. 实义动词：run/eat/go/like 等二陈述句变一般疑问句的方法：1. 含有Be动词的(am/is/are/was/were): be + not We are very happy.(变否定句) -2. 含有情态动词的（can/could/shoud/will/shall/may）: 情态动词+ notThey can wash the clothes.-(变否定句) -3. 含有实义动词的：动词原形（work）-dont +work 动词三单人数（works）-doesnt +work (还原) 动词过去式（worked）- didnt + work (还原)We like the school.-He likes the school.-They liked the sclool- 4. 含有助动词have/has +pp.（过去分词）: have/has + not + pp.We have finished the work.-He has finished the work.-三陈述句变一般疑问句1. 含有be动词的(am/is/are/was/were)： be 动词提前，依次照抄 He is a good student.2. 含有情态动词的（can/could/shoud/will/shall/may）: 情态动词提前，依次照抄 Tom will go to the park.3. 含有实义动词的动词原形（study）-Do 提问，依次照抄 动词三单人数（studies）-Does 提问实义动词还原（study）， 动词过去式（studied）-Did 提问，实义动词还原（study）I get to school early.-She gets to school early.-They got to school early.-5. 含有have/has +pp(过去分词). :have/Has 提前，剩下的依次照抄Jack has eaten the bread.-We have learned English for two years.-练习题1.Jill has lunch at school every day. (改为否定句) Jill _ _ lunch at school every day. 2.The children had a good time at the party. (改为否定句) The children _ _ a good time at the party. *3 Rose drank some milk this morning.（改为否定句) Rose _ _ _ milk this morning.*4.Theres something wrong with his bike.（改成疑问句） _ _ _ wrong with his bike?5. Those Japanese like Chinese food.（改成疑问句） _ those Japanese _ Chinese food? *6.She does exercises at home in the evening.（改成否定句、一般疑问句）She _ _ exercises at home in the evening._ she _ exercises at home in the evening?7. The worker has visited the factory already.（改成否定句、一般疑问句）The worker _ _ the factory _. _ the worker _ the factory _? *8. There are some flowers.( 改成否定句、一般疑问句) _ are _ _ flowers._ there _ flowers? 9. He is watching TV now.(改成否定句、一般疑问句)He _ _watching TV now _ he _ TV now?10. Sarah can clean the classroom. ( 改成否定句、一般疑问句) Sarah _ _clean the classroom. _ Sarah _ the classroom.*11. We do our homewor at school. We _ _ our homewor at school. _ you _ your homewor at school?*12 Jim does his homewor at school. Jim _ _ his homewor at school_ Jim _ his homewor at school*13. The boy has a red book.(变否定句)The boy _ _ a red book.*14. The boy has gone to Beijing. .(变否定句)The boy _ _ to Beijing.2