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把下列句子改成否定句1.My dog runs fast.2.Mike has two letters for him.

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/08/26 23:48:33
把下列句子改成否定句
1.My dog runs fast.2.Mike has two letters for him.3.Su Yang usually washes some clothes on Ssturday.4.Tom does his homework at home.
1.My dog doesn't run fast.
2.Mike doesn't have two letters for him.
3.Su Yang usually doesn't wash any clothes on Saturday.
4.Tom doesn't do his homework at home.
注:一般现在时当主语是三单时,否定句的结构是:主语 + doesn't + 动词原形...some 变 any