肯定句变一般疑问句.ppt

 **肯定句变一般疑问句的方法：肯定句变一般疑问句的方法：1. 有be动词(am、is、are)的，把be动词提前到句子的开头EG： I am helpful. → Are you helpful?肯定回答: Yes, I am. 否定回答: No, I am not.2.有情态动词can、could、must、would、should、will….的，把情态动词提前到句子的开头 EG: She can cook. → Can she cook?肯定回答: Yes, she can. 否定回答: No, she can't肯定句肯定句一般疑问句一般疑问句 3.没有be动词，也没有情态动词的，则在句子开头加助动词do或does Do + (you / they / we…复数) + 动原 EG: I often read books. → Do you often read books? 肯定回答: Yes, I do. 否定回答: No, I don't.*Does + (he / she / it...人名) + 动原EG: She often reads books. → Does she often read books?肯定回答: Yes, she does. 否定回答: No, she doesn't.肯定句肯定句一般疑问句一般疑问句 4. 由肯定句变为一般疑问句时，人称要发生变化：I am → Are you We are → Are you my/our → your I/we → you 5.由肯定句变为一般疑问句时，一般情况下：some → any （特殊：Would you like some fish? 表示请求时：Can I have some water?）肯定句肯定句一般疑问句一般疑问句肯定句变一般疑问句肯定句变一般疑问句1. I am very polite. Are you very polite?Is Mrs Young your Chinese teacher?2. Mrs Young is our Chinese teacher.Yes, she is. No, she isn't.3. They are in the music room.Yes, I am. No, I am not.Are they in the music room?Yes, they are. No, they aren't.肯定句变一般疑问句肯定句变一般疑问句4. He should do his homework. Should he do his homework?Do you often read books in the library?5. We often read books in the library.Yes, we do. No, we don't.6.Tom plays football every weekend.Yes, he should. No, he shouldn't.Does Tom often play football every weekend?Yes, he does. No, he doesn't.肯定句变一般疑问句肯定句变一般疑问句7. There are some apples on the tree. Are there any apples on the tree?Yes, there are. No, there aren't.。