do not和does not后的动词要改写成原形么

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do not和does not后的动词要改写成原形么

do not和does not后的动词要改写成原形么
do not和does not后的动词要改写成原形么

do not和does not后的动词要改写成原形么
肯定陈述句改为否定句.我告诉孩子们,所谓的改写否定句,就是给句子里面加上小小not.其中,加not分两大中情况:
1 句子中有be 动词和情态动词的.这种情况直接在be动词或情态动词后面加not .例如:She is a student.(否) She is not a student.或者 She can jump high.(否)She can not jump high.
2 句子中没有be动词和情态动词的.这种情况下在行为动词前面加助动词加not.至于加什么形式的助动词就要观察行为动词.特别需要注意的是,加了助动词之后,原来的行为动词要变成原形.
⑴ 行为动词是第三人称单数的,选择助动词does.如:He goes to school by bus.(否)He does not go to school by bus.
⑵ 行为动词是过去式的,选择助动词did.如:We went to the park last Saturday .(否)We did not go to the park last Saturday.
⑶ 行为动词是原形的,选择助动词do .如:They often go for a walk after supper.(否)They often do not go for a walk after supper.

是的!