例如：I play football. I don't play football. He plays football. He doesn't play football I played football. I didn't play football 如何变一般疑问句：（1）句子中有be, can, will的,把be , can , will 提...
教你如何让肯定句变否定句、一般疑问句和特殊疑问句
例如：I play football. I don't play football. He plays football. He doesn't play football I played football. I didn't play football 如何变一般疑问句：（1）句子中有be, can, will的,把be , can , will 提...