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人教版英语八年级下册知识点讲解视频新英语知识点汇总归纳八下
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举例
Unit5 . What were you doing when the rainstorm came?
重要语法
感叹句.
1. what 引导的感叹句
(1) What a beautiful girl (she is ) ! 多么美的姑娘呀 !
(2) What a clever boy ( he is ) ! 多么聪明的男孩呀 !
(3) What interesting pictures ( they are ) ! 多么美的图片呀 !
(4) What tall buildings ( they are ) ! 多么高的楼呀 !
(5) What delicious food ( it is ) ! 多么可口的食物呀 !
(6) What bad weather ( it is ) ! 多么坏的天气呀 !
规律: what + ( a\ an ) + 形容词 + 名词 ( + 主语 + 谓语) + !
名词为不可数名词或复数名词时 , 形容词前面不能有 a\ an .
2. how 引导的感叹句
(7) How heavy the box is ! 多么重的箱子呀!
How fast he runs ! 他跑得多快呀!
(8) How careful the girl is ! 多么细心的姑娘呀!
How well she plays the piano ! 她的钢琴弹得多好呀!
如果说明的是人或物, 两种感叹句可替换. ( 以上(1) 到(8) 句 )
过去进行时:
1．过去进行时的用法：
（1）过去某一时刻正在进行的动作。
What were you doing at 8:30 this morning ?
When I called him , he was having dinner .
(2) 过去某段时间正在进行的动作。
What were you doing from seven to nine yesterday ?
I was reading the whole morning yesterday .
(3) when \ while 引导的时间状语从句中，过去进行时的使用：
----- when \ while 当⋯⋯的时候
While引导的从句中, 动词用过去进行时或表示状态的延续性动词
when引导的从句中, 动词用过去式
Mary was having dinner when I saw her .
While we were swimming , someone stole our clothes .
The weather was fine while we were in Beijing .
While were talking , the teacher came into the classroom .
--------while 然而, 可是
He likes reading while I like dancing . 他喜欢看书而我喜欢跳舞 .
Tom is very confident while Mary is shy and quiet .
Tom很自信可是Mary既腼腆又文静.
2．过去进行时的构成：
（1）肯定句：主语 + was \ were +动词ing形式 + 时间状语。
（2）否定句：主语 + was \ were + not + 动词ing形式 + 时间状语。
(3) 疑问句：was \ were + 主语 + 动词ing形式 + 时间状语？
肯定回答：Yes , 主语 + was \ were . 否定回答：No, 主语 + was \ were + not .
3. 根据例子，和词组提示，构成类似对话。
What were you doing last night ? I was working in the office .
Were you working in the office last night ?
Yes, I was . No , I wasn’t .
(1) Mr Zhang , make a model plane
(2) Wei Hua , play the piano , at 8:00 this morning
(3) the twins , play computer games , last night
(4) the smiths, watch TV , at noon yesterday
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