英语时态知识 when did you start class today?为什么是过去式?

英语时态知识 when did you start class today?为什么是过去式? when did you start class today是什么时态 When did you (wake) up this morningwake用什么时态 英语句子的时态问题When did you go to bed last night? Father said to Anne.Father asked Anne when she went to bed the night before.为什么这里变间接引语时,不用改时态--过去完成时? When did you (wake) up this morning wake用什么时态 When did you leave? When did you coneback? 初级英语,How old were you when you how to run?whe初级英语,How old were you when you how to run?when did you learned how to ride a bike?have you ever gone camping?how long will she be in shanghai请问这几句是什么时态? when did you hurt yourself last?用英语回答 when did you go there?这句英语中文意思. 英语时态造句have already done homework.when did you do it?I did it last night.以下列每组词为句子的一部分,先仿照第一句造同样时态的句子,再根据第一句仿照2、3两句造出同样时态的一问一答两句.造句 英语一般现在时的时态知识 关于英语的一道题,具体如下：句型转换 用强调句结构来强调括号中的部分.Did you meet Mr Zhang in Shanghai?（Mr Zhang )Did it start to rain when you were zbout to go out ( when you were about to go out )注意时态 --When __ you __ the bike.--Last month.填did;buy,为何have ;bought不行,句中有说到时态吗? when did you come back? when did you have it when did you go last when did you sleep last