题目内容
17.I have to follow the rules at home.(变否定句)Idon't have to follow the rules at home.
分析 在家我必须遵守规则.
在家我不需要遵守规矩,
解答 答案:don't have to,原句含有have to的一般现在时,主语I,故借助于do构成否定,故答案是don't have to.
点评 含有be动词,情态动词或者助动词have/has的句子转化成否定时在其后面加上not,一般实意动词的否定式,通常应根据不同时态和人称在实意动词之前加don't,doesn't,didn't等.
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