Is Tom running in the classroom?含有be动词的句子改为一般疑问句把be动词提前.
Yes,he is ,/ No.he isn't
Are Mary and Jack talking in the class?
Yes,there is./No,there isn't.
There aren't any buses at the bus station.There be 句型的否定句在BE后面加not,
Is Tom running in the classroom?含有be动词的句子改为一般疑问句把be动词提前.
Yes,he is ,/ No.he isn't
Are Mary and Jack talking in the class?
Yes,there is./No,there isn't.
There aren't any buses at the bus station.There be 句型的否定句在BE后面加not,