时间状语从句 I had been looking for this kind of herb for two months ___ I found it at last.选before,为什么不是when呢?

时间状语从句 I had been looking for this kind of herb for two months ___ I found it at last.选before,为什么不是when呢? The film had been on for five minutes when I got to the cinema.中的when 引导的是宾语从句还是时间状The film had been on for five minutes when I got to the cinema.中的when 引导的是宾语从句还是时间状语从句,如何辨别? After the car had been damaged,the car was sent to repair.怎么改时间状语从句 I asked the price of the car,but they had already sold it这只是过去完成时 不是状语从句吧没有时间状语啊 时间状语从句讲解 时间状语从句讲解 什么是时间状语从句 详解时间状语从句? 时间状语从句时间状语从句时间状语从句时间状语从句 英语：时间状语从句 时间状语从句是什么 时间状语从句, 过去完成时的时间状语从句问题＿I was twenty,I'd never been away from my hometown.A UntilB TillC BeforeD Unless His eyes shone brightly when he finally received the magazines he ________.A.had long been expectedB.had long expectedC.has long expectedD.was long expected拜托帮忙讲一讲when引导的时间状语从句的时态问题 这句话有没有时间状语?是哪个?“I had been working on math for the whole afternoon and the numbers swam before my eyes. have been to 能和for或since引导的时间状语从句连用吗?I _________the north for a year.这里填have been to 为什么答案上给的是have been in have been to 能和for或since引导的时间状语从句连用吗?I _________the north for a year.这里填have been to 为什么答案上给的是have been in 请问when在这句话中引导的是什么从句?I haven't seen her since the time when she had the accident.when在这里是引导的定语从句还是时间状语从句呢?