下列句子变肯定句、否定句、一般疑问句、特殊疑问句 I am playing basketball at school

问题描述:

下列句子变肯定句、否定句、一般疑问句、特殊疑问句 I am playing basketball at school
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I am swimming at thepool.
My sister is doing her homework.
My family are eating dinner at home.

肯定:I am playing basketball at school.
否定:I am not playing basketball at school.
一般疑问:Are you playing basketball at school?
特殊疑问:What are you doing at school?