分析初中英語時態(tài)-過去進行時

過去進行時,由"be動詞的過去式was/were+現(xiàn)在分詞"構(gòu)成



1) 概念:表示過去某時正在進行的狀態(tài)或動作。



2) 過去進行時的主要用法是描述一件事發(fā)生的背景;一個長動作發(fā)生的時候，另一個短動作發(fā)生。



3) 常用的時間狀語

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.