现在进行时表示正在改变或发展中的活动
示例:
Our communication system is gradually being improved.
我们的通讯系统正逐步在改进。... before与现在完成时连用
示例:
Have you seen this movie before?
你以前看过这电影吗?
before可与现在完成时连用,表示“在现在以前的... it 作先行宾语
示例:
I made it clear that I have no intention of going with you.
我已清楚表示过我不愿和你一起去。
... for、during和since
示例:
I’ll see you for a few minutes after the lecture.
讲座结束后,我想找你谈几分钟。
f... 现在完成进行时与since, for连用 示例: They’ve been playing cards since 10 a.m. 从上午十点起,他们就一直在打扑克。 现在完成进行时常常和since和... 动词不定式的被动式
示例:
It is a pleasure to be invited to visit your new house.
能应邀看看你的新居,十分高兴。
动词... hardly表示部分否定
示例:
I could hardly wait to hear the news.
我等不及地要听到这一消息。
hardly是副词,表示“几乎不”(a... 动词-ing形式作介词宾语
示例:
Check the oil before starting your car.
开车前,看看汽油够不够。
介词后面的动词要用-ing的形式,... must表示有力的劝告和命令
示例:
You really must go and see the play, you’ll enjoy it.
你确实该去看那场戏,你会喜欢的。
... get + 过去分词的被动意义
示例:
Ann lost her airline ticket and got stuck in Seattle.
安遗失了飞机票,被迫留在西雅图了。... |