否定形式:may not have done 例:Philip may have been hurt seriously in the car accident. 7.might have done sth 或许做过某事 否定形式: might not have done 例:She might have known what the bottle contained. 8.should have done sth 估计已经做了某事 否定...
●否定句结构: 主语+ be not+动词-ing形式(+其他) . ●一般疑问句是把be提到主语前,肯定回答可以为"Yes, 主语+be.",否定回答可以为"No, 主语+ be not."。 ●be 应随主语人称和数的变化而变化。 要点提示 ●现在进行时的两个要素是be和动词ing形式,= 二者缺一不可。例:...
否定式:am/is/are not going to +动词原形 一般疑问式:am/is/are +主语+ going to + 动词原形+其他? 特殊疑问式:特殊疑问词+一般疑问式? He is going to spend his holidays in London. 他打算在伦敦度假。 Look at the dark clouds. There is going to be a storm...
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