一、现在进行时的结构
肯定句: 主语+ am/is/are + V-ing +…
否定句: 主语+ am/is/are +not+ V-ing+…
一般疑问句: Am/Is/Are+主语+V-ing+……
肯定回答：Yes, 主语（代词）+ am/is/are.
否定回答：No, 主语（代词）+am not/ isn’t /aren’t.
特殊疑问句: 特殊疑问词(what/when/where/why等) +一般疑问句
二、现在进行时例句
1.She is writing a letter upstairs. 她正在楼上写信。
2.Who are you waiting for? 你在等谁？
3.It is raining hard. 雨下得很大。
4.How are getting on with your study? 学习进展得怎样？
5.I hear Mr. Smith is writing a novel. 我听说史密斯先生在写一本小说。
6.John&39;s asking silly questions like a stupid. 约翰像个笨伯一样问些愚蠢的问题。
7.You are always throwing things about. Look, what a mess in your room. 你老是乱扔东西。看，你房间多乱啊!
8.If he is still sleeping, don’t wake him up. 如果他（那时）还在睡觉，不要叫醒他。
9.Don’t disturb her when she is doing her homework.她做作业时不要打扰她。
10.Where are you going tomorrow? 明天你到哪里去？
