was becoming是什么時態(tài)

　　She was becoming increasingly despondent about the way things were going.

　　她對情況的發(fā)展越來越失望。

　　It was becoming more and more difficult to live on his salary.

　　他越來越難以靠他的工資維持生計了。

　　The situation was becoming progressively more difficult.

　　局勢變得愈發(fā)困難起來。

　　Sarah was becoming increasingly impatient at their lack of interest.

　　薩拉對他們的缺乏興趣的情況越來越不能忍耐了。

　　I was becoming more and more irritated by his behaviour.

　　我對他的行為越來越感到惱火。