基本用法:
1.表示现在正在进行的动作和发生的事
eg:---What are you doing?
---I am reading a book.
2.有时表示现阶段正发生的事,但此刻动作不一定正在进行
eg:He is teaching at the school.
We are learning Unit5 these days.
3.现在进行时的句子中常有now,或在句首常出现Look! Listen!等标志词
eg:Listen! Danny is singing in the room.
He is doing his homework now.
主动语态:
肯定句:
主语 + am/is/are+ 动词的现在分词
否定句:
主语+am/is/are+not+动词的现在分词
一般疑问句:
Am/Is/Are +主语+动词的现在分词
特殊疑问句:
特殊疑问词+am/is/are+主语+动词的现在分词
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