❖ 副词、介词短语、动词原形等) ＋？
❖ be: am are is were was
❖ 情态动词: can may must could ❖ 助动词: do does did
陈述句变一般疑问句
❖ 先找am, is, are, was, were或can放在最前面， （1 换 2 大 3 问号）
❖ 如没有则判断是否为过去式，是则动词改为原
You should protect our environment.
Homework
作业本: ❖ 分别用be动词 (are, is),情态动词(can),助动
词(do, does, did) 造句，用上陈述句，一般疑 问句，肯定回答和否定回答，不少于5句。
Yes,there are. No,there aren't.
一般疑问句语调为升调一般疑问句General question
概念 结构 变化 回答 语调
conception structure transformation answer intonation
Do you want to be an environmental volunteer? (环保志愿者）
❖ 5.Does your mother work in the cinema? ❖ No,she doesn't. ❖ 6.Are they going to take a trip? ❖ Yes,they are. ❖ 7.Did you go skating on your holiday? ❖ Yes,I did. ❖ 8.Did John read a book yesterday? ❖ No,he didn't.
一般疑问句的复习 (General question)
根据图片回答问题．
❖ １Are you watching TV? ❖ Yes,I am. ❖ 2.Is he short and strong? ❖ No,he isn't. ❖ 3.Can Sarah do the dishes? ❖ Yes,she can./Sure./Of,course. ❖ 4.Do you go to school by bike? ❖ Yes,I do.
概念 ：
简单地说，能用Yes / No(或相当于Yes / No) 回答的疑问句叫一般疑问句。 肯定回答：
Yes,主语＋be (情态动词、助动词) 否定回答：
No,主语＋be (情态动词、助动词)＋ not． 缩写 (n’t ) (am not)
结构：
❖
❖ be (情态动词、助动词)＋主语＋(名词、形容词、
形，句前加Did， ❖ 不是过去式则判断是否为第三人称单数，是则
动词改为原形，句前加Does, ❖ 不是第三人称单数，则句前加Do， ❖ some 变any。
There are some teachers in our classroom.
Are there any teachers in your classroom?