2017高考英语语法复习系列第4讲.pptVIP

when 当……时候(既可指时间点，也可指时间段) Don’t get excited when you talk. (正在)……突然 I was about to go out when it rained. 既然，尽管，虽然(常放在句中) How can he get the promotion when his boss dislikes him？ 用在表示“一……就……”的句型中 scarcely/hardly...when... Hardly had I entered my room when the telephone rang. 当……时候(只指时间段) While we were talking，the teacher came in. while 当……时候(只指时间段) While we were talking，the teacher came in. 然而，表示对比转折 He is strong while his brother is weak. 虽然，尽管(常放在句首) While I have sympathy for them，I think they went too far. as 当……时候 当主句、从句动作同时进行，从句动作的时间概念淡化，而主要表示主句动作发生的背景或条件时， 只能用as。这时，as常表示“随着……；一边……，一边……”之意 As years go by，China is getting stronger and richer. The little girls sang as they went. 尽管，虽然(引导让步状语从句，用倒装语序) Try as he might，Tom could not get out of the difficulties. as 引导方式状语从句或比较状语从句，作“正如/像”解 As in your country，we grow wheat in the north and rice in the south. He doesn’t speak English as/so fluently as you. 引导原因状语从句，作“因为，由于”解，与because的用法相近 I must stop writing now，as I have rather a lot of work to do. 新课标高考总复习　北师大版 · 英语 介词和连词虽然都属虚词，但在英语学习中却非常重要，也是每年高考的必考项目。高考主要考查介词在具体语境中的应用，介词与其他词性的搭配辨析，介词和连词的一些习惯用法和固定搭配等。 简单 介词 at，about，across，after，against，among，around，before，behind，below，beside，besides，between，beyond，but，by，down，during，except，for，from，in，like，near，of，off，on，past，under，until，up，with，since 复合 介词 as for至于，as to关于，out of从，出自，into进入，onto到……上面，without没有，but for要不是 二重 介词 from under从……的下面，from behind从……的后面，until after直到……之后，from among从……当中 短语 介词 according to根据，ahead of在……前面，apart from除……之外，because of由于，by means of依靠，by way of作为…… 分词 介词 concerning，including，regarding 二、从介词本身的意义来看，介词可以分以下几个种类： 表示 时间 about，around，before，by，at，after，in，on，between，during，for，from，since，till，until，within 表示 地点 about，at，in，on，over，through，across，along，around，before，between，beyond，down，up，to，toward，under，near 表示 方式 by bus乘公共汽车，see with one’s own eyes亲眼看，write in ink用墨水写，on foot步行 表示 原因 for：He was punished for stealing.他因偷窃而被惩罚。 from：She felt sick from tiredness.她累病了。 of：be ashamed of因……而感到羞愧 wit