内容正文:
现在进行时的定义与结构
Step 1课前小测
一、用所给单词的肯定或否定形式填空。
1. That key ______(open) the old box.
2. She often __________ (finish) her homework at 9:00 in the evening.
3. Cats __________(like)eating fish.
4. We __________ (not have) a Music lesson on Thursday.
5. His uncle __________ (not get) up early on Saturday.
二、按照要求改写句子。
1. Mike watches TV every evening. (改为否定句)
___________________________________________________
2. I do my homework every day. (改为一般疑问句,作否定回答)
___________________________________________________
3. Amy likes playing computer games. (改为一般疑问句,作否定回答)
___________________________________________________
4. She likes milk. (改为一般疑问句,作肯定回答)
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5. He speaks English very well. (改为否定句)
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Step 2 精讲精练
Grammar
1.现在进行时定义:1. 表示说话时正在进行, 尚未完成的动作或状态;
2. 表示现阶段正在进行的动作。
2. 关键词:now, listen! Look! right now, at present, at the moment, these days 等。
3. 结构:be 动词 am / is / are + 现在分词((V-ing))(如 doing / running / writing 等)
4. 现在进行时的肯定句和否定句
She‘s eating.
It‘s raining. They‘re running.
She isn‘t reading. The sun isn‘t shining.
They aren‘t walking.
I
am (not)
-ing
I‘m working.
he
is (not)
-ing
Chris is writing a letter.
she
She isn‘t eating. (或者说 She‘s not eating.)
it
The phone is ringing.
we
are (not)
-ing
We‘re having dinner.
you
You‘re not listening to me. (或者说: You aren‘t….)
they
The children are doing their homework.
am / is / are + -ing 表示―现在正在发生某事‖:
I‘m working.
She‘s wearing a bat.
They‘re playing football.
I‘m not watching television.
例 1 :Please be quiet. I‘m working. (我现在正在工作)
例 2 :Look at Sue! She‘s wearing her new hat. (她现在正戴着它)
例 3 :The weather is nice at the moment. It‘s not raining.
例 4 :‗Where are the children?‘ ‗They‘re playing in the park.‘
例 5:(打电话时) We‘re having dinner now. Can you phone again later?
例 6 :You can turn off the television. I‘m not watching it.
拼写: