分析初中英語時(shí)態(tài)-過去進(jìn)行時(shí)

過去進(jìn)行時(shí),由"be動(dòng)詞的過去式was/were+現(xiàn)在分詞"構(gòu)成



1) 概念:表示過去某時(shí)正在進(jìn)行的狀態(tài)或動(dòng)作。



2) 過去進(jìn)行時(shí)的主要用法是描述一件事發(fā)生的背景;一個(gè)長動(dòng)作發(fā)生的時(shí)候，另一個(gè)短動(dòng)作發(fā)生。



3) 常用的時(shí)間狀語

this morning, the whole morning, all day yesterday, from nine to ten last evening, when, while



My brother fell while he was riding his bicycle and hurt himself.

It was raining when they left the station.

When I got to the top of the mountain, the sun was shining.