at that time 是用在过去式吗

at that time 是用在过去式吗 两个英语小问题在这时,在那时是用in this time、in that time还是用at this time、at that time呀?American English is still widely spoken and taught here.这句话中,spoken和taught为什么用过去式呀,还是说是被动语态的 急!几道初中英语题不明白,在线等...1.____you angry at that time.---Yes,They____too much noise.老师讲的答案是were；made.可是at that time不是过去进行时的标志词吗,为什么还用一般过去式啊.2.Old people must be l -she said that she ____at home at 10:00 that night.A .study B.studied C.is studying D.was studying肯定是选B或D,that time是用过去式还是过去进行时? I don't think that it's time you worked hard at English为什么用worked hard用过去式 it is time that 句型中跟过去式,当动词是be动词时,过去式用was还是were? at that time等于什么?是等于then吗? at that moment ；at this moment ；at this time ；at that time分别用什么时态? The Reads_________(not listen) to the radio at that time.为何用were not listening为什么不能是过去式 didn't listen? I’ll remember the day_when_we stayed together at that time.为什么这里用关系副词when呀 是the day 在从句里作状语的原因吗 at the time、at that time与at this time的语用含义 I__ (realize)I made a mistake at that time在这里面的realize是用什么时态,说明理由 at that time用什么时态 just at that time用什么时态 at that time用过去进行? at that time 用法 at that time 如果主语是一般过去式,则that的从句也用一般过去式吗?why