I'm not drawing a picture.
或； I am not drawing a picuture.
He and I are making paper kites.
改一般疑问句:Are he and you making paper kites?
作否定回答、 No,we aren't.
改否定句:He and I aren't making paper kites.( He and I are not making paper kites.)
不明白的再问哟,请及时采纳,多谢!