他的大夫说他不应该抽这么多烟。
Oughtnt you to give us a chance to try ?
你难道不应该给我们一个尝试的机会吗?
2) 表示极有可能发生某事
As an auto repairman , Dick ought to know what is wrong with the car .
狄克作为一个汽车修理工总该知道这部车的毛病所在吧。
If we set off right now , we ought to be able to get there in time .
如果我们马上出发,我们应当能够按时到达那里。
Tomorrow ought to be a nice day for we have such a fine sunset today .
今天有这么好的晚霞,明天准是个晴天。
need(用于否定句和疑问句)需要
There are still one and a half hours to go , we neednt be insuch a hurry .
还有一个半小时,我们无需如此慌慌张张。
I hardly need say how much we missed you .不用说我们是多么想念你啊。
Need you go so soon ?你需要这么早就去吗?
You need have no anxiety on my account .你不必为我而着急。
dare , dared(用于否定句、疑问句和疑问句)敢
Dare you stay here alone in the night ? 你敢在夜里呆在这儿吗?
Nobody dared mention that matter. 没有人敢提那件事。
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