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He does his homework after supper.改为疑问句 和否定句

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He does his homework after supper.改为疑问句 和否定句
疑问:Does he does his homework after supper?
否定:He doesn't his homework after supper.
疑问句不对Does he does his homework after supper?
改成:Does he do his homework after supper?
原因:一般疑问句要把be动词提前,如果文中没有,就用do,does,did
但用do,does,did时,已经把第三人称单数体现,所以,要用动词原形do
否定句不对He doesn't his homework after supper
改成:He doesn't do his homework after supper
原因:doesn't 只是否定所描述的内容,而不是表示所否定的内容,延用修改句中的do
在前面加上否定词doesn't
再问: He does his homework after supper does 可以换成写吗? write