be动词后加动词ing,在一般疑问句也适用吗

考试辅导2021-06-09 05:39:40admin2

适用的,一般疑问句,如果有be动词,只是把be动词提前而已,后面的动词还是用doing形式。
例如 He's doing his homework. 一般疑问句 Is he doing his homework?



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