1、Unit 3 Is this your pencil?第三课时Section A(Grammar Focus3c)单元语法精讲物主代词表示所有关系的代词称为物主代词,物主代词有形容词性物主代词和名词性物主代词。英语中主要有下面这些物主代词。人称单数复数形容词性名词性形容词性名词性第一人称mymineourours第二人称youryoursyouryours第三人称hisheritshishersitstheirtheirs(注：目前已学过my,mine,your,yours,his,his,her,hers这8个物主代词,其余的我们将在后面学到。)1.形容词性物主代词相当于形容词,只能用于名词
2、前作定语。eg：my book我的书his rulers他的尺子【注意】当名词前有形容词性物主代词时,就不能再用冠词(a、an、the)或指示代词。2.名词性物主代词具有名词的性质,可以在句中作主语、宾语和表语。名词性物主代词不能和名词连用,因为名词性物主代词相当于形容词性物主代词+名词。eg：Is that pen hers?那钢笔是她的吗?No.Her pen is blue.不。她的钢笔是蓝色的。单元语法强化训练一、根据句意用代词my,your,his,her,mine,hers或yours填空。1.Is this Jims ruler?Yes,it is.Its.2.Is that A
3、mys watch?Yes,it is.Its watch.Its.3.Is this Peters book?No,it isnt book.Its Helens.4.Im a Chinese girl.name is Li Ying.5.Tom,is this quilt?Yes,it is.Its.hisherhershisMyyourmine二、语法填空。My name is Olivia.Im 6.a middle school.This is my schoolbag.Its black.What is in it?There are two 7.(book).Are 8.(thi
4、s)my books?No,they are my 9.(teacher).What are 10.(that)?They are two pens.The red pen is 11.(I)and the blue pen is Bobs.Look!There 12.(be)a map and some keys in my schoolbag,too.What about the map?Oh,I see 13.name on it.M-I-K-E.It must be 14.(he).Mike is my good friend and I can call him 15.789-7889.inbookstheseteachersthosemineisahisat
