英语 过去式怎样变问句
问题描述:
英语 过去式怎样变问句
答
分三种情况1)be动词作谓语时,把be动词提前for example:She was a teacher.----->Was she a teacher?2)行为动词(即一般的动词)作谓语,用助动词did提前,动词为原型for example:He cleaned the room.------>Did he ...