词汇知识梳理:动词5

过去进行时

　　过去进行时主要表示过去某个时刻或一段时间内正在进行的动作。

　　过去进行时的谓语形式：was / were + 现在分词。

　　My son was practicing the piano this time yesterday evening.

　　When I called him， he was having his breakfast.

　　While we were having a meeting， Mary came in and told us the terrible news.

　　I was leaving the room when the telephone rang.

　　1. James has just arrived， but I didn't know he _____ until yesterday.

　　A. will come B. was coming C. had been coming D. comes

　　现在完成时表明的是过去的动作对现在的影响或持续到现在。

　　had been过去完成时，表示过去的过去。 was coming用过去进行时表示将要的动作。答案 B

　　2. “What were you doing when Anna phoned you?”

　　“I had just finished my work and _______ to take a bath.'

　　A. starting B. to start C. have started D. was starting

　　what were you doing的是过去进行时。 答案 D