2023届全国新高考英语精准冲刺复习定语从句课件.pptx

2023届全国新高考英语精准冲刺复习定语从句Basic rules1. 定语从句分为_________________和_________________,形式上可通过逗号进行判断。限制性定语从句非限制性定语从句2. 定语从句起了形容词的作用，在句中修饰或限制一个名词或代词甚至一个句子。3. 被修饰的词叫做 ________，引导定语从句的词叫_______。先行词关系词Basic rules4. 关系词作用: (1) 放在先行词与定语从句中间起了______作用； (2) 在从句中担当一个____，并与先行词保持数的一致； (3) 代指前面的 ________。连接成分先行词5. 关系词分类：(1) _________ (2) _________关系代词who, whom, that, whose, which, as关系副词when, where, whyObserve考点一：关系代词that和which在很多情况下可以互换，但哪些情况只能用that?Observe1. All that can be done has been done.2. There is no difficulty that we can’t overcome.3. This is the first letter that I’ve written in English.4. This is the most exciting trip that I have ever experienced.5. They talked about the teachers and the schools (that) they had visited.1) 当先行词是不定代词时，如：all, few, everything, anything, nothing, much, little,none等。2) 先行词前有no, all, few, little, the only, one of, every, very等词修饰时。3) 先行词是序数词或被序数词first, last, next等修饰时。4) 先行词是形容词的最高级或被形容词的最高级修饰时。5) 当先行词既有人又有物时。 只用that不用which的情况Observe考点二：有哪些情况关系代词不用that，而用which，who，whom?Observe1. He made the same mistake again, _______ made his parents very angry.2. Yesterday I bought a dictionary, _______ cost me more than 100 yuan.3. Mr. Smith, _______ gave a talk several months ago, will come again.4. My uncle has come back from abroad, _______ I haven’t met for a long time. whichwhichwhowhom1. 在非限制性定语从句中，指事物用which，指人用who或whom.Observe which1. Her bag, in _______she put all her money, has been stolen.2. This is the ring on ________she spent 1000 dollars.3. Xiao Wang, with ______I went to the concert, enjoyed himself very much.whichwhom2. 在介词后面，指事物用 which，指人用 whom.Observe考点三：as和 which的区别知多少？Observe1. 用于非限制性定语从句时，可以指代整个主句的内容，as 和which 可以换用。He left her, ______________was strange.2. as 引导非限制性定语从句，指代整个主句的内容，从句可置于句首，句中和句尾。________ everyone knows, Tom is good at English.as/whichAsObserve3. 非限制性定语从句中谓语为被动时，常用as 作主语。as is said/ known/ announced/ reported/ mentioned/ expected/ discussed等。_______ is known to all, Taiwan is part of China.4. as引导非限制性定语从句，有“正如”的含义，因此，