5、例:The lecture is about to begin.讲座即将开始。 6、某些表示开始、终结、往来行动的动词如:go, come, start, arrive, leave 等的现在进行时可表示将来。 (1)We are leaving for Beijing tomorrow. 我们明天动身去北京。 (2)The foreign guests are arriving in ...
She is at home with problems like this. 16. back out 1) 退出 A: Wasn’t Bert supposed to sing tonight? B: Yes. but he backed out at last minute 2)不履行 She finally backed out of her promise. 17. be cut out for 天生适合 ...
更多内容请点击：成人学位英语考试常考语法:动词的时态