how long were you there 是什么时态,能等于什么

how long were you there 是什么时态,能等于什么 how long were you there怎么回答? How long were you there?改成he,怎么改? --How long were you away? How long have you been doing是什么时态的句子?这个时态怎样构成? How long are you staying?和 How long will you stay there有什么区别 翻译：how i wish i had known you were there,too y esterday!时态有点 一句话的时态问题How long have you been stay here?请问这句话是什么时态,并且说出这种时态 英语问答 How long were you away? How long were you live in England. How long were you there.为什么用were 从意思上我看不出来是过去时啊` 你在那裏停留了多久?how long were you stayed there?为什麼用were?不用have?