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Unit 3 Animals Are Our Friends单元语法聚焦三名词所有格& when引导的时间状语从句教材典句1They write Li Mings address on the box and close it with tape.他们在盒子上写上李明的地址并且用胶带把它封上。2Jenny went to her grandparents house珍妮去了她的祖父母家3Jennys family gathers at Grandma and Grandpas house on Thanksgiving Day.在感恩节那天，珍妮的一家在奶奶和爷爷的家里聚会。4When I first came here, everything was different.当我第一次来这里时，一切都是不一样的。5When they arrived, her grandfather opened the door.当他们到的时候，她爷爷打开了门。6I laughed and laughed when I saw it.当我看到它时，我笑个不停。语法探究一、名词所有格1构成(1)一般在名词词尾加“s”。 She is Toms new friend. 她是汤姆的新朋友。Lin Mei is worried about her mothers health.林梅为她妈妈的健康担忧。(2)以“s”结尾的_名词，只需在词尾加“”。 The twins room is very big.这对双胞胎的房间很大。(3)不以“s”结尾的复数名词，仍需要在词尾加“_”。June 1 is Childrens Day. 6月1日是儿童节。(4)用and连接的并列名词的所有格分两种情况：表示_的所有关系时，要分别在并列名词后加“s”；表示_时，在最后一个名词后加“s”。 This is Danny and Toms desk.这是丹尼和汤姆的桌子。Lucys and Jennys mothers are in America.露西的妈妈和珍妮的妈妈在美国。2用法(1)名词所有格主要用于表示有生命的物体(特别是人或高级动物)的所属关系。(2)无生命的名词所有格一般由“_名词”构成。如：a picture of our classroom我们教室的一张照片(3)表示店铺、教堂或某人的家时，名词所有格后面常常省略它所修饰的名词。 He wants to go to the barbers. 他想去理发店。(4)表示时间、距离、集体、国家、团体等无生命的名词也可用“s”构成所有格。todays newspaper今天的报纸(5)双重所有格表示整体中的一部分，结构为“of_”或“of名词性物主代词”。a book of my fathers我父亲的一本书a friend of mine我的一个朋友 二、when 引导的时间状语从句1用法when 意为“当的时候”，引导时间状语从句时，可以指时间点，也可以指时间段； 从句可以位于主句_，也可以位于主句_。当从句在前时，主从句之间多用_隔开。Someone knocked at the door when I was sleeping.当我正在睡觉时，有人敲门。When he es back, please tell me.当他回来时，请告诉我。2时态一般来讲，when 引导的时间状语从句要遵循主、从句时态相呼应的规律： 即主句是一般现在时(包括祈使句和含有情态动词can, may, must等)，从句也用_；主句是_时，从句也要用过去的时态； 主句是一般将来时，从句要用_表示将来。I will be a teacher when I grow up.当我长大了， 我要做一名老师。实战演练单项选择()1._ room is big and nice. A. Kates and JanesB. Kates and JaneC. Kate and Janes DKate and Jane()2. xx凉山How far is your home from the train station?Its about 20_ walk.A. minuteB. minutesC. minutesD. minutes()3._ mothers cant go to the parents meeting because they are too busy.A. Jacks and PaulB. Jacks and PaulsC. Jack and PaulsD. Jack and Paul()4._ is ing. What can I get for my mother? What about a scarf?A. Womens DayB. Womans DayC. Womens Day DWomans Day()5.The online shop sells_ clothing at very good prices.A. child and mansB. children and mensC. childrens and menD. childrens and mens()6.Mr. Wang is an old friend _ mine.Awith BofCto Dat()7.Steve_ TV in the living room when his mother came in.A. was watching B. watchesC .is watching Dwatched()8.xx重庆 Dont worry. Bill will help you look after your dog when you _away on business.Aare BwereCwill be Dhave been()9.xx济南 Sun Hai_ his mother make dinner when his father got home from work.A. was helping B. helpsC. helped D. is helping()10.My mother_ dinner when I got home yesterday. A. has cooked B. was cookingC. will cook D. cooks()11.Birds _ back to the north when it bees warm.Agoes BwentChas gone Dwill go()12.The teacher is already standing here.Do you know when she _？Aes BcameCis ing Dwas ing教师详解详析【语法探究】一、1.(2)复数(3)s(4)各自； 共有2(2)of(5)名词所有格二、1.之前； 之后； 逗号2. 一般现在时；一般过去时；一般现在时【实战演练】15CDBAD610BAAAB1112DB
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