人教版新目标七年级英语上册 Unit 3 This is my sister.教学课件

Unit 3 This is my sister.,a book,books,That 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, 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,this that is/am,these those are,变为疑问句：,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?/Are 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s， 如penpens,erasererasers,bookbooks. 2.以o.s.x.sh.ch.结尾的加es, 如watch-watches. 3.以辅音字母加y结尾的，变y为i再加es, 如family-families,dictionary-dictionaries. 4.以f或fe结尾的变f或fe为v再加es， 如knife(小刀)knives. 5.部分以“o” 结尾加es 如potatoes (土豆） tomatoes（西红柿） 其他加s, 如photo-photos,可数名词复数：,把下列单数名词变成复数：,pencil baseball game notebook ring ruler,pencils baseballs games notebooks rings rulers,watch fish bus box potato tomato,Watches fishes buses boxes potatoes tomatoes,family baby party,families babies parties,boy class knife life dictionary photo,boys classes knives lives dictionaries photos,把下列句子复数变成单数：,1.This is a book.,2.That is an orange.,3. This is my pencil .,4.That is her quilt.,5.Is this your watch?,6.Is that his dictionary?,7.It is my map.,8.Thats his ring.,These are books.,Those are oranges.,These are quilts.,Those are her quilts.,Are these your watches?,Are those his dictionaries?,They are maps.,Those are his rings.,人称代词和物主代词：,人称代词是经常用做主语的代词， 物主代词就是表示所有关系的代词。,人称代词： I 我 you 你 he 他 she 她 it它 we我们 you 你们 they他们,形容词性物主代词 ： my 我的 your 你的 his 他的 her她的 its 它的 our 我们的 your 你们的 their 他们的,把下列句子翻译成英语：,1.这是他的铅笔。,2.那个是你的文具盒吗？,3.那些是你们的桔子吗？,4.这些不是他们的地图。,5.那些是他们的字典吗？,6.这些是我们的削笔刀吗？,7.那些是她的手表吗？,8.它是我们的学校。,This is his pencil.,Is that your pencil case?,Are those your oranges?,These are not their maps.,Are those their dictionaries?,Are these our pencil sharpeners?,Are those her watches?,It is our school.,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 6.He is my sister. 7.She is his mother. 8.I am Jeff.,1.Is this your clock? 2. Is that