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)___________________________________________________________
