【does的用法】do与does的用法详细的快

【does的用法】do与does的用法详细的快

【答案】 do和does的用法 do 这个词（does是第三人称单数形式）,大体上从两方面来讲. 1.作为行为动词,跟其他动词一样,如study, play等.他的意思是“做”等.如： We usually do our homework in the afternoon. He does his homework in the evening. 2.作为助动词,也就是帮助主要动词构成否定和疑问等. We don't like bananas. Do you like apples? Does he like English? He doesn't like swimming. 上面有一句He does his homework in the evening.要是变成否定句就成了这个样子： He doesn't do his homework in the evening. 这里加上了助动词doesn't,而原来的主动词does变成原形do了. 作为助动词的do和does是没有词义的,它们在句中的构成一般现在时的疑问句和否定句. Do用于主语第一人称,第二人称和第三人称复数形式的句中,does用于主语第三人称单数的句中. Eg. Do you want to be a teacher? 你想成为一个老师吗? Do his friends go to park every day? 他的朋友们每天都去公园吗? I don’t like him. 我不喜欢他. Where does Tom come from? 汤姆来自哪里? I don’t know.我不知道. He doesn’t live here. 他不住在这儿.
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