1).may/might as well 不妨,最好,与had better相近;
Since the flight was cancelled, you might as well go by train.
既然航班已经取消了,你不妨乘火车吧。相当于you had better go by train。
2) .cannot / canttoo 越越好,怎么也不过分。注意这个句型的变体cannotover.如:
You cannot be too careful when you drive a car.驾车时候,越小心越好。
The final chapter covers organizational change and development. This subject cannot be over emphasized .
3) .usednt 或didt use to 为used to 的否定式。
4).should 除了应该一层意思外,考研大纲还规定要掌握其竟然的意思。如:I didnt expect that he should have behaved like that. 我无法想象他竟然这样做。
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