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选择性必修二《Unit 3 Times change!》Developing ideas 优秀ppt课件
It took me a minute before I realised what it meant. The signs he used were to say that he'd be running late and would be there soon.
我花了一分钟才理解这条消息的意思。这些符号是想说他要迟到了，会尽快回来。
Language Focus
before
1.肯定句中根据句意常翻译成 “ 才”
2.否定句中根据句意常翻译成 “就”
3.根据句意有时还可翻译成 “趁着”
4. it will be + 一段时间 before ...... 多久之后才...
5. it won’t be + 一段时间 before ...... 不久就....
1. We sailed four days and nights ________ we saw the land.
2. We hadn’t run a mile ________ he felt tired.
3. Scientists say it may be five or six years_______ it is possible to test this medicine on human patients.
4. I had about a mile to go ________ I needed to turn off.
5. It will be two years ________he returns.
巩固练习
before
before
before
before
before