改为否定句：The boy does his homework on his own.改成否定句的时候是doesn't do 还是直接doesn't his 改为否定句：The boy does his homework on his own.改成否定句的时候是doesn't do 还是直接doesn't his homework?

来源：学生作业帮助网 编辑：作业帮 时间：2024/07/11 18:04:24
改为否定句：The boy does his homework on his own.改成否定句的时候是doesn't do 还是直接doesn't his 改为否定句：The boy does his homework on his own.改成否定句的时候是doesn't do 还是直接doesn't his homework?
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改为否定句：The boy does his homework on his own.改成否定句的时候是doesn't do 还是直接doesn't his 改为否定句：The boy does his homework on his own.改成否定句的时候是doesn't do 还是直接doesn't his homework?
改为否定句：The boy does his homework on his own.改成否定句的时候是doesn't do 还是直接doesn't his
改为否定句：The boy does his homework on his own.
改成否定句的时候是doesn't do 还是直接doesn't his homework?

改为否定句：The boy does his homework on his own.改成否定句的时候是doesn't do 还是直接doesn't his 改为否定句：The boy does his homework on his own.改成否定句的时候是doesn't do 还是直接doesn't his homework?
The boy doesn't do his homework on his own.

第一个

doesn't do

doesn`t do

doesn't do

应改为The boys doesn't do his homework on his own.
原句does意为"做"的三单形式
而改为否定句应加一个助动词来帮忙,选用do,因为he是单数,所以要加es,否定句再加not(也就是说,否定句的第一个doesn't是一个助动词,而第二个do则是动词"做"的意思,要分清楚)

The boy doesn't do his homework on his own.

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