Don’t plant potatoes until the peasant tells you to.
(3)He didn’t want to hand in his composition, but he had to.
在be able to, be going to, have to, need to, enough to, used to等后的不定式需省略。再如:
I don’t sing much, now, but I used to a lot.
If you don’t want to say anything at the meeting, you don’t need to.
She didn’t go out last night, because she was afraid to.
在afraid, glad, happy, pleased, sorry等词后作状语的不定式常省略。再如:—Will you go with me to see the film tonight?
—I’ll be glad to.
4. at work; out of work; after work
这三个以work为中心词的介词短语,在意思和用法上均不相同。
(1)at work表示“在工作、在上班”,作表语或状语。例如:
They are both at work today.今天他们俩都在上班。
His father had an accident at work last week.上周的父亲在工作时出了事故。
(2)out of work表示“失业”,是介词短语,相当于lost one’s job或be unemployed。例如:
If you don’t work hard, you’ll be out of work.如果你不好好工作就会失业。
You’ll be out of work if you keep coming late.如果你老是迟到,你会失业的。
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