We get wiser as we get old. 随着年岁的增长,我们也变得聪明些了。
4. 用before引导:before表示在之前。如:
Turn off the lights before you go to bed. 睡觉前要关灯。
Before he went to university he was a worker. 上大学之前他是工人。
5. 用after引导:after表示在之后。如:
I will tell you after they leave. 他们走我再告诉你。
After you finish the letter show it to me.信写完后给我看看。
6. 用until / till引导:until / till表示直到。如:
He waited until she was about to leave. 他等着一直到她准备离开。
I watched him until he disappeared in the distance. 我瞧着他直到他在远处消失。
这类句型的主句动词通常只能是延续性动词,不能是终止性动词。但是,在否定句中,主句动词可以是终止性动词,此时构成notntil [till]句式,意为直到才。如:
She didnt marry until she was over fifty. 她直到五十多岁才结婚。
Wed better not go until your sister arrives. 我们最好等你姐姐到了再走。
7. 用since引导:since表示自从以来。如:
We have known each other since we were children. 我们从小认识。
Theyve moved twice since they got married. 他们结婚后已搬了两次家。
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