高一英语 必修一Unit 4定语从句讲解.doc

高一英语 必修一Unit 4定语从句讲解Learning difficult points:Students are able to use attributive clause properly indifferent activities.1. Greet Ss as usual2. Enjoy the 3-minutes talk show and give the comment onit.Free topic Then commont itStep Review（3-5分钟）Imagine your home begins to shake and you must leave it rightaway1. before2 Look up to尊敬，尊重 Look through浏览，仔细查看 Look over快速地翻阅Look on旁观3 imagine + n. /pronimagine sb. to be4 Shake hands with sbShake oneshand握手Shake sb by the hand5 Compare: at the end ofby the end ofin the endStep Explanation Grammar定语从句的要素：定语从句三要素（表格）。只能用who, that或which的情况。Which和as的区别。The same as和the same that的区别。Such/soas和such/sothat的区别。“介词+关系代词”中介词的选择问题(介词短语和动词短语)。是否缺先行词。定语从句的主谓一致。1. 定义：在句中起定语的作用、修饰句子中的名词或代词的从句。因其功能类似形容词，故又称为形容词性从句。2. 三要素： 先行词 关系代词（who, whom,whose,which，that, as) 关系副词（when ,where, why). 关系代词（who, whom, whose,which，that, as)1 This is the place _ worth visiting.A. whoareB. that areC.which is2. _known, the earth is round, not flat.A. ThatisB. As isC.Which3. Thats the man _ house has burneddown.（whose）4. Thats the man the house of _ has burntdown. (whom) . which/ that?1. This is the book _ I told you about.2. She described in her compositions the people and places _impressed hermost. 当先行词为指人和指物的两个并列名词词组时，先行词只能用that。3. Who is the girl _drove the car? 当主句是以who或 which开头的特殊疑问句时4. Hes the only boy in our city _ enters the BeijingUniversity 当先行词被 the very, the only, the next, thelast等所修饰时，关系词只能用 that。5. The third place _we are going to visit isHangzhou.6. Is that the best _you can do? 当先行词是序数词、形容词最高级或被序数词、形容词最高级修饰时，关系词只能用that7. All _ is needed is money andhands.8. We heard clearly ever word _ he said 当先行词是指物的 all, one, a lot, (a) little, few,much none, anything, something, everything,nothing等词时或先行词被 all, any, no, much,little, few,every等限定词所修饰时，关系词只能用that。当先行词是物，且关系词位于介词后时，或引导非限定性定语从句时，只能用whichUse:“as”1. The sun heats the earth, _ isvery important to us.2. He failed in the exam, _ wasexpected.当先行词为主句时，关系词用which或as，它们的区别在于，as含有“正如”的意思。3. I want to buy the same pen _ you areusing.4. This is the same bicycle _ I havelost.“the sameas”引导的定语从句表示从句所指的物品与先行词所指的物品为同一类事物，即同一个款式的，或同一个牌子等。“thesamethat”引导的定语从句表示从句所指的物品与先行词所指的物品为同一事物。8. This is the way _ I want to treat you9. I dont like the way _ you speak toher. A. inwhichB. C.thatD. all aboveStep summarySummarize all the luangage