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4545中考英语时间状语从句

作者:高考题库网
来源:https://www.bjmy2z.cn/gaokao
2021-01-14 22:21
tags:教学案例/设计, 教学研究

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2021年1月14日发(作者:葛维墨)
中考英语时间状语从句


I,when, while 和 as “当......时候”
一、when 的用法
1, when + 时间段/段
Eg. When he was a child he was always trying out new ideas.



2, 常考句型: was/were doing + when +did (突然)
Eg. I was just reading a book when she came into my room

二,while的用法
1, While + 时间段
Eg. While I was in America, I learnt a lot of English.
2, 常考句型:while+ be doing
Eg. While they were talking, the bell rang.
3, 意为“然而”,强调前后句子对称,意思对比
Eg. Tom is a singer while Tim is a dancer.

三,As的用法
1,从句表示的也是一件事 情正在发生,另一件事也正在进行当中,从句一般可以翻译成“边
……边……”。
Eg The students took notes as they listened. 学生们边听课边做笔记。
2,as “随着……”

eg, As the time went on,the weather got worse.

II. before和after 两个动作是先后关系
一, before “在......之前” after“在......之后”
二, before/after + doing
After finishing the math, I have an English class.
三,It was + 时间段 +before 从句
Eg,It was a long time before I went to sleep again.过了很长时间我才睡着。

III, until和till “直到......”

一,肯定形式表示的意思是“做某事直至某时”,动词必须是延续性的。
二,否定形式表达的 意思是“直至某时才做某事”。动词为延续性或非延续性都可以。”not......
until”
Eg. 肯定句:I slept until midnight. 我一直睡到半夜时醒了。
否定句:She didn't arrive until 6 o'clock. 她直到6点才到。
三,Not until…在句首,主句用倒装。

eg, Not until the early years of the 19th century did man know what heat is.

直到19 世纪初,人类才知道热为何物。


IV, as soon as “一......就......” 强调动作紧密相连
Eg,As soon as I reach Canada, I will ring you up.

V,since “自从......”
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