進行時,完成時,過去完成時的語法知識
一、不用進行時的動詞
1) 事實狀態的動詞
have, belong, possess, cost, owe, exist, include, contain, matter, weigh, measure, continue
I have two brothers.
This house belongs to my sister.
2) 心理狀態的動詞
Know, realize, think see, believe, suppose, imagine, agree, recognize, remember, want, need, forget, prefer, mean, understand, love, hate
I need your help.
He loves her very much.
3 ) 瞬間動詞
accept, receive, complete, finish, give, allow, decide, refuse.
I accept your advice.
4) 系動詞
seem, remain, lie, see, hear, smell, feel, taste, get, become, turn
You seem a little tired.
二、用一般過去時代替完成時
1) 構成will / be going to do sth.
2) 概念
a. 狀態完成:表示某事繼續到將來某一時爲止一直有的狀態。
b. 動作完成:表示將來某一時或另一個將來的動作之前,已經完成的動作或一獲得的經驗。
They will have been married for 20 years by then.
You will have reached Shanghai by this time tomorrow.
三、過去完成時
1) 概念:表示過去的過去
----|-------|-----|---->其構成是had +過去分詞構成。
那時以前 那時 現在
2) 用法
a. 在told, said, knew, heard, thought等動詞後的賓語從句。
She said (that) she had never been to Paris.
b. 狀語從句
在過去不同時間發生的兩個動作中,發生在先,用過去完成時;發生在後,用一般過去時。
When the police arrived, the thieves had run away.
c. 表示意向的動詞,如hope, wish, expect, think, intend, mean, suppose等,用過去完成時表示“原本…,未能…”
We had hoped that you would come, but you didn't.
3) 過去完成時的時間狀語before, by, until , when, after, once, as soon as。
He said that he had learned some English before.
By the time he was twelve, Edison had began to make a living by himself.
Tom was disappointed that most of the guests had left when he arrived at the party.
典型例題
The students ___ busily when Miss Brown went to get a book she ___ in the office.
A. had written, left B,were writing, has left C. had written, had left D. were writing, had left
答案D. “把書忘在辦公室”發生在“去取書”這一過去的動作之前,因此“忘了書”這一動作發生在過去的過去,用過去完成時。句中when表示的是時間的一點,表示在“同學們正忙於……”這一背景下,when所引導的動作發生。因此
前一句應用過去進行時。
注意: had no … when 還沒等…… 就……
had no sooner… than 剛…… 就……
He had no sooner bought the car than he sold it.
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