初一英语Unit3SectionA电子课件.ppt
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1、 Unit 3 Unit 3 This is my sister.This is my sister.a bookbooksThat is a book.This is a book.These are books.Those are books ,too.These are my erasers.Those are your pencil sharpeners.This is an orange.These are oranges.That is her pencil.Those are her pencils.Is that his pencil case? Yes,it is. No,
2、it isnt. Is this your pencil?Are these your keys?Yes, they are.Are those her pens?No, they arent.A:Are these your ?A :Are those your .?B :Yes ,they are .B:No,they arent.be动词表示“是”,有三个:am ,is, are.我(I)用(am),你(you )用(are),is连着他(he)、她(she)、它(it),单数跟is 后,复数全部都用are.单数复数thisthatis/amthesethoseare变为疑问句:变为疑问
3、句:1.This is my clock.2.That is your ring.3.These are her books.4.Those are his oranges.5.Those are my backpacks.Is this your clock?Is that your ring? Are these her books?Are those his oranges?改错:1.Are this your book?2.Those is my pen.3.Is these his pencils?4.Are those her ruler?Is this your book?/Ar
4、e these your books?That is my pen./Those are my pens.Are these his pencils?Are those her rulers?Are those your backpacks?5.Are they your books?Yes,theyre.Are they your books?Yes,they are.1.一般直接加一般直接加s, 如如penpens,erasererasers,bookbooks. 2.以以o.s.x.sh.ch.结尾的加结尾的加es, 如如watch-watches. 3.以辅音字母加以辅音字母加y结尾的
5、,变结尾的,变y为为i再加再加es, 如如family-families,dictionary-dictionaries. 4.以以f或或fe结尾的变结尾的变f或或fe为为v再加再加es, 如如knife(小刀小刀)knives. 5.部分部分以以“o” 结尾加结尾加es 如如potatoes (土豆)土豆) tomatoes(西红柿)西红柿) 其他加其他加s, 如如photo-photos可数名词复数:把下列单数名词变成复数:把下列单数名词变成复数:pencil baseball game notebook ring rulerpencils baseballs games notebook
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