第七节 状语从句（条件 让步） 课件-2025届高三英语一轮复习

第七节 状语从句 第十八章　状 语 从 句 知识精讲 一.让步状语从句 引导让步状语从句的连词由：though, although, while, even if, even though, however, no matter how, no matter what, no matter who等。1.though, although引导让步状语从句时都不能和but连用，但可以同yet(still)连用。 Eg:Although/Though he is a criminal, he made a great contribution to the society. Although/Though Tom is a cat, he yet doesn’t want to eat Jerry. 第十八章　状 语 从 句 知识精讲 2.while引导让步状语从句时意为“尽管，虽然”，多用于句首。 3.as,though引导让步状语从句时，从句要采用倒装语序。 Eg：Child as/though he was, he knew what was the right thing to do. 4.whether...or not引导意为“无论（是否）”。 Eg:Whether you believe it or not, it is true. 第十八章　状 语 从 句 知识精讲 5.however+adj/adv=no matter how+adj/adv...意为“无论多么...”。 Eg：No matter how difficult the problem is, I will try my best to solve it. Eg：However difficult the problem is, I will try my best to solve it. 第十八章　状 语 从 句 知识精讲 6.wh-ever等一系列连词既可引导让步状语从句相当于no matter wh-,也可引导名词性从句 Eg：No matter what happened, he would not mind. =Whatever happened, he would not mind. 第十八章　状 语 从 句 知识精讲 二.条件状语从句 条件状语从句通常分为两大类：真实条件句和虚拟条件句。引导条件状语从句的连词由：if, unless/if...not, as long as/so long as, as far as/so far as, provided/providing (that), on condition that等。 第十八章　状 语 从 句 1.条件状语从句中的主将从现原则。 条件状语从句中如果主句是将来时，条件状语从句用一般现在时。如果条件状语从句中出现过去时，则为虚拟条件句，那么主句要用相应的虚拟语气形式。 Eg：If I have extra time, I will make full use of it to read more books. 知识精讲 第十八章　状 语 从 句 2.unless和if...not在条件状语从句中的用法 unless相当于if...not，在虚拟条件句中可用if...not,但不能用unless. Eg:If she were not too silly, she would understand it. 知识精讲 第十八章　状 语 从 句 解题思路： Step 1:寻找主句从句 Step 2:判断主从句之间的逻辑关系 Step 3:根据所选的逻辑关系选择合适的连接词。 知识精讲 第十八章　状 语 从 句 $$