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【导语】英语语法让很多学生都头疼，因为复杂难懂的句式和词组有时难以记忆。英语网为大家整理了英语语法大全，希望对同学们的英语语法学习有所帮助。更多内容尽在英语网。 ■引导时间状语从句的从属连词 引导时间状语从句的从属连词很多，如较基本的有before, after, when, while, as, since, till, until, as soon as 等： Things were different when I was a child. 我小时候情况与现在不同。 We must strike while the iron is hot. 我们要趁热打铁。 Its a long time since I met you last. 从上次见到你，已有很长时间了。 He waited until she was about to leave. 他等着一直到她准备离开。 除以上基本的引导时间状语从句的从属连词外，还有些本来不是从属连词却可用作从属连词的词： (1) 表示一就的从属连词：the moment, the minute, the second, the instant, immediately, directly, instantly, once, no soonerthan, hardlywhen等。如： Immediately he came I told him the news. 他一来我就把消息告诉了他。 The moment I saw him I knew there was no hope. 我一看到他就知道没希望了。 We had no sooner set out than it began to rain. 我们刚出发就下雨了。 | 
