過去進(jìn)行時(shí)的結(jié)構(gòu)：

1. 過去進(jìn)行時(shí)由“主語+was/were + 現(xiàn)在分詞”構(gòu)成

如: We were having supper when the phone rang. 我們正在吃晚飯時(shí)電話響了。

2. 過去進(jìn)行時(shí)的否定式由“主語+was/were not +現(xiàn)在分詞”構(gòu)成

如: This time yesterday Jack was not watching TV. He was repairing his bike. 昨天這個(gè)時(shí)候，杰克不是在看電視，而是在修理自行車。

3. 過去進(jìn)行時(shí)的疑問式由“was/were +主語+ 現(xiàn)在分詞”組成

如: Were you playing basketball at four yesterday afternoon? 你們?cè)诟墒裁醋蛱煜挛绲臅r(shí)間啊 回答我啊?

時(shí)間狀語：

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

例句：

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

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