回头客_blackboy
幼苗
共回答了18个问题采纳率:100% 举报
当句中有BE 动词,情态动词或助动词时,疑问词后就接这些词,否则就要加DO , DOES ( 一般现在时第三人称单数) 或DID ( 一般过去时) .如
He can swim -> What can he do ?
He finished his homwork two hours ago .-> What did he do two hours ago ?
He is a student .-> What is he ? / Who is a student ?
They often play basketball after school ?-> When do they often play basketball ?
Lucy comes from America .-> Where does Lucy come from ?
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1年前
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hzjboy
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那划线后面接的是动词原形还是与上面的句子一样的?? 是如果是助动词的话,后面接的是动词原形吗