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师梦圆初中英语教材同步人教版八年级下册Section B 1a—1d下载详情
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was cleaning

When

瞬间/非延续

一、用when或while填空。

1.__ __I was reading in the library,my mom called me.

2.The Browns were having dinner _I visited them.

3.__ we were swimming,the boys were playing football.

4.We were playing outside it began to rain.

5.My mother was doing the housework I was doing my homework.

区分 when 与while

(1) “当……的时候”,如后面连接的动词为进行时态,则用while.而when通常与瞬间性动词或延续性不强的动词连用。

(2) 如果while前后的动词都是进行时态,while可译为“与此同时”。

I was reading while my brother was drawing.

Summary

总之,when表示做某种动作的时间或瞬间,由其引导的时间状语的时态如果是一般过去时,其主句通常要用过去进行时。while表示略长的一段时间,由其引导的时间状语从句用过去进行时,而主句时态根据实际情况而定。

1a

Think of a time when you were late for or couldn't go to an event. What was the event? What was the reason why you were late or couldn't go? Tell your partner the story.

Some events you may be late for in life

a meeting

a picnic

a ball game

a party

Lead in

1b Listen and write short answers to the

questions.

1.What event happened at the school yesterday?

2.Who missed the event?

3. Which team won at the event?

The school basketball competition.

Kate.

教材