時間狀語從句的時態用法簡述
時間狀語從句,顧名思義,時間是最重要的,而時間則通過時態的使用來表達,時態一錯,整個句子的意思也錯了,不同的連詞也需要搭配不同的時態來使用,往往令很多學習者焦頭爛額,這次滬江小編為大家整理了時態使用的注意點,大家快來一起學習一下吧!
一.主從句時態呼應,即主句用現在時,從句也用現在時;主句用過去時,從句也用過去的某種時態,除此之外,主句用將來時,從句依然要用現在時。
eg. Be careful when you cross the road。
When he was seven years old, he could swim.
When she leaves, she will turn off the light.
二. 不同的時間狀語需要搭配不同時態的使用:
1.Often,usually----------動詞原型do,does,am,is, are
2.yesterday,last Sunday,in the past-------動詞過去式did,was,were
3.now--------be+doing
4.while,at that time,-------was doing,were doing
5.since從句,for 2 days,------have done,have been
since+過去的某個時間點----had done,had been
一般現在時:every…, sometimes, at …, on Sunday,
一般過去時:yesterday, last week, an hour ago, the other day, in 1982, just now
一般將來時:next…, tomorrow, in+時間,
現在完成時:for, since, so far, ever, never, just, yet, till/until, up to now, in past years, always, recently
過去完成時:before, by, until, when, after, once, as soon as
過去進行時:this morning, the whole morning, all day, yesterday, from nine to ten last evening… when, while
將來進行時:soon, tomorrow, this evening, on Sunday, by this time, tomorrow, in two days, tomorrow evening