现在进行时句型转换三、句型转换：1.Theyaredoinghousework.(分别改成一般疑问句和否定句)______________________________________________________________________________________________________________________2．Thestudentsarecleaningtheclassroom.(改一般疑问句并作肯定和否定回答)______________________________________________________________________________________________________________________3．I’mplayingthefootballintheplayground.(对划线部分进行提问)___________________________________________________________4．Tomisreadingbooksinhisstudy.(对划线部分进行提问)___________________________________________________________
