文档介绍：The Present Progressive Tense
be + v. -ing
am / is / are + 现在分词
现在进行时
:
1)表示现在(说话瞬间)
正在进行或发生的动作。
The students are listening to the teacher.
He is watching TV now.
2) 现在进行时也可以表示当前一段时间内的
活动或现阶段的正在进行的动作。
We are working on a farm these days.
I’m reading a history book this month.
2. 结构: be动词(am, is, are)+
eg: He/She is reading a book.
I am writing.
They’re eating.
3. 动词-ing 变化规则:
1) 一般情况加ing .
如: play----playing watch----watching
V-ing
2)以不发音的e 结尾,去e加ing.
如: take----e---coming
3)重读闭音节结尾的动词,末尾只有一个辅音字母,双写辅音字母再加ing.
如: run----running swim----swimming
4)--ie结尾变成—y再加ing.
如: die---dying lie----lying
2) 否定句:直接在be后加not.
如: I am writing.
I am not writing.
4. 现在进行时的句式
1) 肯定句: 主语+be +V-ing+其它.
如: I am reading a book.
3)一般疑问句及回答:问句,直接把be提前
肯定回答:Yes,主语+ be
否定回答:No,主语+ be + not
---Are you drawing ?
---Yes, I am. / No, I’m not.