Question

Tom has to wash his clothes himself. (变为否定句)

Tom ______ ______ ______ ______ his clothes himself.

 

Answer 1

答案：
解析：

doesn’t have to wash；谓语动词为实义动词的句子变为否定句的时候，要借用助动词，因此主语为第三人称单数，因此要用doesn’t。