小学英语肯定句变一般疑问句ppt课件

1、肯定句变一般疑问句,中文解释什么是一般疑问句,1.你吃饭了吗？ 肯定回答： 2.他睡觉了吗？ 否定回答： 3.他们吃苹果吗？ 肯定回答： 4.你今天有课外作业吗？ 肯定回答： 5.你玩的开心吗？ 否定回答： 6.我能吃冰激凌吗？ 肯定回答,是的，我吃了,不，他没睡,是的，他们吃,是的，我有,不，我不开心,是的，你能,英语中的一般疑问句,一.什么是一般疑问句？ 定义,一般疑问句是疑问句的一种。它是一般只用yes（是）或no（否）来回答的句子,一般疑问句,二、一般疑问句的构成 1.含有be动词的，直接将be动词提前至句首 提问：什么是be动词？ 回答,现在时中am、is、are， 过去式中was、

2、were,注意：在一般疑问句中，要表达“一些”时 ，一般用any，但如果这个问句是用来表达 “建议、请求、邀请”等交际功能时 ，应该用some,1. She is doing some cleaning. _ she doing _ cleaning? 肯定回答：_, _ 否定回答：_, _ 2. They were watching TV at this time yesterday. _ they _ TV at this time yesterday? 肯定回答：_, _ 否定回答：_, _,Is,any,Yes she is,No she isnt,Were,watching,Yes

3、they were,No they werent,3. I am from Canada. _ _ from Canada? 肯定回答：_, _ 否定回答：_, _ 4. She is looking for her dog. _ she _ for her dog? 肯定回答：_, _ 否定回答：_, _,Are you,Yes I am,No I m not,Is,looking,Yes she is,No she isnt,5. There are some knives. _ there _ knives? 肯定回答：_, _ 否定回答：_, _ 6. There were some

4、birds in the tree two days ago. _ there _ birds in the tree two days ago? 肯定回答：_, _ 否定回答：_, _,Are,any,Yes there are,No there arent,Were,any,Yes there were,No there werent,一般疑问句,二、一般疑问句的构成 2、有情态动词的句子将情态动词提到句首 提问：什么是情态动词 回答： 情态动词有哪些,情态动词本身有一定的词义，表示语气的单词。 但是不能独立作谓语，只能和动词原形一起构成谓语,can (could), may (might

5、), must, need, ought to, dare (dared), shall (should), will (would) must not,1.You can eat fresh food. _we _fresh food? 肯定回答：_, _ 否定回答：_, _ 2.You can go swimming. _ I _ swimming? 肯定回答：_, _ 否定回答：_, _,Can,eat,Yes you can,No you cant,Can,go,Yes you can,No you cant,一般疑问句,二、一般疑问句的构成 3、有实意动词的句子，要借用助动词 提问：

6、什么是助动词？ 回答： 助动词有哪些,助动词用来构成时态和语态。助动词具有语法意义，但没有词汇意义，不可单独作谓语,be, have, has, do, does, shall, did, will, should, would等,1. She goes bicycling twice a week. _ she _ bicycling twice a week? 肯定回答：_, _ 否定回答：_, _ 2. She has to clean the classroom every day. _ she _ to clean the classroom every day? 肯定回答：_, _ 否定回答：_, _,Does,go,Yes she does,No she doesnt,Does,have,Yes she does,No she doesnt,3. I do morning exercises every day. _ you _ morning exercises every day? 肯定回答：_, _ 否定回答：_, _ 4. We did morning exercises yesterday. _ you