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預(yù)約高中1對1精品課程(面授/在線),滿足學(xué)員個(gè)性化學(xué)習(xí)需求 馬上報(bào)名↓
過去完成時(shí)
1、過去完成時(shí)是一個(gè)相對時(shí)態(tài),表示過去的過去,只有在兩個(gè)過去發(fā)生的動作相比較時(shí)才可顯示出來。
e.g. As soon as we got to the station, the train had left.
注:主從句表達(dá)的動作緊接時(shí),即兩動作發(fā)生的時(shí)間沒有明顯時(shí)間上的懸殊或空檔時(shí),主從句都可用一般過去時(shí)。
e.g. Where did your brother study before he joined the army?
2、過去完成時(shí)可表示截止過去某一時(shí)間動作的總或動作的結(jié)束。
e.g. By the end of last month. We had reviewed four books
By eight o`clock, he had finished his homework.
與這個(gè)時(shí)態(tài)連用的時(shí)間狀語常有:
by 1, by eight o`clock, by then, by the end of last month, by the time when, when, as soon as, before 等連詞引導(dǎo)的時(shí)間狀語從句,表示主句動作結(jié)束的時(shí)間。
小學(xué)一年級英語語法 一般過去時(shí)現(xiàn)在完成時(shí)
一般過去時(shí)現(xiàn)在完成時(shí)主要用于:
1、表示到現(xiàn)在為止這一時(shí)期中發(fā)生的動作或情況,即多次動作的總和。
e.g. We have learnt four English songs this month.
How many times have you read the novel?
For many days we haven`t seen each other.
2、表示對現(xiàn)在有影響的某一已發(fā)生的動作。
e.g. The delegation has left 代表團(tuán)已經(jīng)走了(說明現(xiàn)在不在這里)
Look, what you have done. 看你干的事。
與這一時(shí)態(tài)連用的時(shí)間狀語有:
already, yet, just, ever, never, by now, so far, recently, by the end of this month, since, for 短語,連詞 since 引導(dǎo)的時(shí)間狀語從句。
一般過去時(shí)與現(xiàn)在完成時(shí)的區(qū)別:
一般過去時(shí):重在說明動作在過去發(fā)生時(shí)的具體情況(時(shí)間、地點(diǎn)、方式、對象、細(xì)節(jié)等)。
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