请问情态动词表示推测的用法都有哪些啊?
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请问情态动词表示推测的用法都有哪些啊?
![请问情态动词表示推测的用法都有哪些啊?](/uploads/image/z/800925-69-5.jpg?t=%E8%AF%B7%E9%97%AE%E6%83%85%E6%80%81%E5%8A%A8%E8%AF%8D%E8%A1%A8%E7%A4%BA%E6%8E%A8%E6%B5%8B%E7%9A%84%E7%94%A8%E6%B3%95%E9%83%BD%E6%9C%89%E5%93%AA%E4%BA%9B%E5%95%8A%3F)
从肯定到否定:(肯定的程度由高到低到否定)
must,should,may(偶尔也会用can但不太常用,因为一般用于否定或疑问了),might,can't
对现在的推测:must/should/may/might/can't +动词原形
对已发生的动作或状态的推测:
must/should/may/might/can't +have +动词的过去分词
He must be in the house because the light is on.(他现在肯定在家,因为灯亮着.)
He must have left the house because the light is off.(他肯定离开家了,因为灯没亮.)
must,should,may(偶尔也会用can但不太常用,因为一般用于否定或疑问了),might,can't
对现在的推测:must/should/may/might/can't +动词原形
对已发生的动作或状态的推测:
must/should/may/might/can't +have +动词的过去分词
He must be in the house because the light is on.(他现在肯定在家,因为灯亮着.)
He must have left the house because the light is off.(他肯定离开家了,因为灯没亮.)