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知识点梳理（一）核心词汇mine whose bike cat our banana their baby bag shirt jacket think new classmate clothes find help us him常用词组help sb do sth（二）重点句子-Is this your cap,Jane?-No, it’ s not mine.-Whose cap is it,then?-It ’ s Sally’ s.-Whose banana are these? -They’ re their bananas/theirs.I think it’ s Kangkang’ s/Li Ming’ s.We look the same, but we are in different clothes.His pants are blue and mine are white.This man is from Canada.（三）交际用语Guess！ Who is he ?Please help us find him.（四）语法精粹形容词性物主代词和名词性物主代词They are our shoes. They are ours.’ s表示名词的所有格 This is Li Ming’ s shirt.重点知识讲解1．-Whose bike is this? 这是谁的自行车？-It ’ s his bike./ It是他’的s（his自.行车）。
第一个 his 是形容词性物主代词，相当于形容词。
置于名称之前，用来修饰，限定名词；第二个his 等于 his bike,是名词性物主代词，其后不加名词。
如：Our books are new.= The new books are ours.His bag is green.=The green bag is his.Their desks are all here.= The desk here are all theirs2．–Whose cat is that?那只猫是的？-It is her cat./It是’她s的hers（猫.）。
知识点梳理（一）核心词汇minewhosebikecatourbananatheirbabybagshirtjacketthinknewclassmateclothesfindhelpushim 常用词组helpsbdosth（二）重点句子Guess！’s1．-第一个his是形容词性物主代词，相当于形容词。
置于名称之前，用来修饰，限定名词；第二个his等于hisbike,是名词性物主代词，其后不加名词。
如：Ourbooksarenew.=Thenewbooksareours.Hisbagisgreen.=Thegreenbagishis.Theirdesksareallhere.=Thedeskherearealltheirs2．–Whosecatisthat?那只猫是谁的？-Itishercat./It’shers.是她的（猫）。
（1）whose疑问代词，意为“谁的”，其后加名词，再加一般疑问句，或whose加一般疑问句。
如：Whosecomputeristhat?=Whoseisthatcomputer?那是谁的电脑？（2）hers为名词性物主代词，意为“她的（猫）”，其后不在加名词。
3．Ithinkit’sLiMing’s.我认为（想）是李明的。
（1）如：-（2如：（3【拓展】23)有。
如：约翰和缩写形式必须根据具体的语境来判断。
如：That’sabook.那是一本书。
（that’s是thatis的缩写形式，意为“那是”。
）翻译短语。
1.玛利亚的书___________________2.两位女教师______________________________3.男式服装_____________________4.吉姆和汤姆共有的房间_____________________________________5.我妈妈的房间__________________________________________4.Welookthesame,butweareindifferentclothes.我们看起来很像，但我们穿着不同的衣服。
