高考英语书面表达增分句式(2)
4. no sooner …than…= hardly…when…一……就……, 刚刚……就…… no sooner / hardly + 过去完成时, than / when + 一般过去时
如果no sooner, hardly 位于句首, 主句要倒装.
He had hardly sat down to have a rest when the door bell rang and in came Allan. No sooner had he got off the train than his daughter ran towards him.
Hardly had we arrived when she started crying to go home.
5. once 一旦……, 表示时间和条件
Once you understand this rule, you will have no further difficulty.
Once you have decided to do something, you should do it well.
Once you enter the chemistry lab, you should follow the teacher‟s instructions.
6. since … 自从……以来
since 引导的从句不论是延续性或非延续性动词, 都表示的是动作或状态的完成或结束.
注意一下句子翻译:
Since he lived in Nanjing, I have not heard from him. (= since he left Nanjing…) 自从他离开南京以来,我没有收到过他的信.
Since she was in Yangzhou, she has kept in touch with her former friends. ( since she left Yangzhou…)
她离开扬州以来,一直同过去的朋友保持着联系.
对比:
1). I have never seen him since he was ill.
他病好后,我就再也没有见到他.
2). I have never seen him since he fell ill.
他生病以后我就再也没有见过他.
It is / ( has been ) + 时间段 + since + 过去式
It is / has been two years since his father died.
= his father has been dead for two years. = his father died two years ago.
他的父亲去世两年了.
It has been 8 years since I graduated from university.
= I graduated from university 8 years ago.
It is 3 years since he smoked. 他三年不吸烟了.(即,从句动词延续性的,译成否定意义;从句动词非延续性的,译成肯定意义.)
It is 3 years since he left school.-----他毕业三年了.
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