2016职称英语备考句型：时间状语从句
句型1：
When /While /As +从句，＋主句.如：
When I was in the country,I used to carry some water for you.当我在农村时，我常常给你打水。
句型2：
主句＋after /before +从句. 如：
They hadn't been married four months before they were devoiced.他们结婚不到四个月就离婚了。
We went home after we had finished the work.我们做完此工作就回家了。
句型3：
主语＋肯定谓语＋until＋从句.请比较：主语＋否定谓语＋until+从句.如：
I worked until he came back.我一直工作到他回来。
I didn't worked until he came back.他回来我才开始工作。
句型4：
As soon as /Immediately /Directly /Instantly /The moment /The instant /The minute +从句，＋主句. 如：
My father went out immediately I got home.我一到家，我父亲就出去了。
句型5：
No sooner +had + 主语＋done…than +主语＋did. 请比较： 主语＋had + no sooner +done…than +主语＋did. 如：
No sooner had I got to Beijing than I called you.我一到北京就给你打电话了。请比较：I had no sooner got to Beijing than I called you.
句型6：
Hardly/Scarcely/Rarely +had +主语＋done…when /before + 主语＋did.请比较：主语＋had +hardly/Scarcely/Rarely + done…when /before +主语＋did.
Hardly had she had supper when she went out. 她一吃完晚饭就出去了。请比较： She had hardly had supper when she went out.
句型7：
By the time+从句，＋主句.（注意时态的变化。)如：
By the time you came back,I had finished this book.到你回来时，我已经写完了这本书。
By the time you come back,I will have finished this book.到你回来时，我将写完这本书了。
句型8：
each /every time +从句，＋主句. (这时相当于whenever 或no matter when引导的从句。从句也可放在主句之后。)如：
Each time he comes to Harbin,he always drops in on me.每当他来哈尔滨，总是顺便来看看我。
