题目
举例说明 do和does的用法_
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do和does做实义动词时,要取决于主语的形式.
主语是单数,用does;主语是复数,用do
eg:She does excercises every day.
They do their homework together every night.
do和does做助动词时,也要取决于主语的形式.
主语是单数,用does;主语是复数,用do
eg:Does she have breakfast?
The students do not have class today.
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