定義:1.表示過去某個(gè)時(shí)間發(fā)生的動(dòng)作或存在的狀態(tài).
---She ate three apples yesterday.昨天她吃了三個(gè)蘋果.
2.表示過去經(jīng)?；蜻^去反復(fù)發(fā)生的動(dòng)作--(也可與often,always等頻度的時(shí)間狀語連用)
---He always got up very early when he was young.年輕的時(shí)候他每天總是起得很早.
謂語形式:(1)did(動(dòng)詞的過去式)
? ? ? ? ? ? ---She was a student two years ago.兩年前她是一個(gè)學(xué)生.(這件事情已經(jīng)過去了,所以be動(dòng)詞is要用 過去式:was)
? ? ? ? ? ? ---They were students two years ago.兩年前他們是學(xué)生.(這件事情已經(jīng)過去了,所以be動(dòng)詞are要用 過去式:were)
? ? ? ? ? ? ---She ate three apples yesterday.昨天她吃了三個(gè)蘋果.(這件事情已經(jīng)過去了,所以動(dòng)詞eat要用 過去式:ate)
? ? ? ? ? ? ---I did my homework promptly.我及時(shí)的完成了作業(yè).(這件事情已經(jīng)過去了,所以動(dòng)詞do要用 過去式:did)
? ? ? ? ? ? ? ? (do homework 做作業(yè))
? ? ? ? ? ? (2)was(were)+done(過去時(shí)的被動(dòng)語態(tài))
? ? ? ? ? ?---The picture was painted two years ago.這幅圖在兩年前畫的.
? ? ? ? ? ? ? ?(這件事情已經(jīng)過去了,圖是被繪畫的,所以用過去時(shí)的被動(dòng)態(tài).)