问题描述：
写出下列动词的ing形式：see____ buy___ stop_____ begin______
用所给的动词的正确形式填空
They __________(not,water) the flowers now.
It's 5 o'clock now.We ________ (have) supper now.
____Helen_______(wash)clothes?Yes,she is.
They are doing housework.(分别改为一般疑问句和否定句）
The students are cleaning the classroom.(改为一般疑问句并作肯定回答；改为否定句）注：一句疑问句,一句否定句.
I'm playing the football in the playground.(对划线部分提问,划线部分：playing the football)
Tom is reading books in his study.(对划线部分提问,划线部分：in his study)
用所给的动词的正确形式填空
They __________(not,water) the flowers now.
It's 5 o'clock now.We ________ (have) supper now.
____Helen_______(wash)clothes?Yes,she is.
They are doing housework.(分别改为一般疑问句和否定句）
The students are cleaning the classroom.(改为一般疑问句并作肯定回答；改为否定句）注：一句疑问句,一句否定句.
I'm playing the football in the playground.(对划线部分提问,划线部分：playing the football)
Tom is reading books in his study.(对划线部分提问,划线部分：in his study)
问题解答：
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