分析 Joe昨天在教室做作業(yè).
Joe昨天在教室做作業(yè)了嗎?
解答 答案:Did,do.原句did是動(dòng)詞do的過(guò)去式,是實(shí)意動(dòng)詞,改為一般疑問(wèn)句的時(shí)候借助于助動(dòng)詞did放句首,后面加上動(dòng)詞原形do,故答案是Did,do.
點(diǎn)評(píng) 一、含有be動(dòng)詞(am/is/are/was/were)動(dòng)詞的一般疑問(wèn)句,通常把be動(dòng)詞調(diào)到句首.
二、含有情態(tài)動(dòng)詞(can/may/must/could)的一般疑問(wèn)句,把情態(tài)動(dòng)詞調(diào)到句首.
三、句子里沒(méi)有be動(dòng)詞、助動(dòng)詞、情態(tài)動(dòng)詞等,就需要加助動(dòng)詞do,does,、did(過(guò)去式)來(lái)構(gòu)成疑問(wèn)句,加上這些助動(dòng)詞后,句子中謂語(yǔ)動(dòng)詞必須用原形.
其句型為:Do/Does/did+主語(yǔ)+動(dòng)詞原形+其它?
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