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2.状语从句 2.1 时间状语从句：在一个句子中作时间状语的句子。 时间状语的连接词：when(当…时候) while(当…时候) as(当…时候) after(在…以后) before(在…以前) as soon as(一…就) since(自从…到现在) till /until(直到… 才) by the time(到…为止)依旧是连接词后加陈述语序。 举例：when当…的时候(一般情况下主句是将来时的时候，从句要用一般现在时。) Mozart started writing music when he was four years old. 2.2 原因状语从句：在一个句子中作原因语的句子。 连接词：由连词because, since, as引导, 也可由for, now that 等词引导。 举例：I didn’t go to school yesterday because I was ill. 2.3 条件状语从句 连接词：if如果, unless (=if not) 除非。(让步) 举例：If it doesn’t rain tomorrow, we will go hiking. 2.4 目的、结果状语从句 目的状语从句是指在一个句子中充当目的状语的句子。 结果状语从句是指在一个句子中充当结果状语的句子 目的状语从句连接词so that, so…that , in order that 引导。 结果状语从句连接词 so…that, such…that, so much/many…that引导。 举例：so…that 如此…以至于 The scientist’s report was so instructive that we were all very excited. 2.5 让步状语从句 让步状语从句是指在句子中作让步的状语的句子 连接词： though, although.，whether…or not 举例：Although he is rich, yet he is not happy. (责任编辑：admin) |