新人教版英语七年级上册Unit3课件.ppt

A: Is this your pencil? B: Yes, it is. It’s mine. A: Is this your pencil? B: Yes, it is. It’s mine. 形容词性物主代词 my your his her 形容词性物主代词起形容词的作用，后面加名词 Eg. my book your pencil his schoolbag her ruler 名词性物主代词 mine (=my +名词) yours (=your+名词） his (=his+名词) hers (=her+名词) 名词性物主代词=形容词性物主代词+名词 为了避免重复,后面就不再加东西了 Is this your pen? No, it isnt. Its her pen. (为了避免重复) No, it isn’t. It’s hers. (hers=her pen) Is this her pencil? No, it isn’t. It’s my pencil. (为了避免重复) No, it isn’t. It’s mine. (mine=my pencil) Is this her easer? Yes, it’s her eraser. (为了避免重复) Yes, it’s hers. hers= her eraser Is that your schoolbag? No, it isn’t. It’s his schoolbag. (为了避免重复) No, it isn’t. It’s his. his= his schoolbag 注意：在使用名词性物主代词时，必须有特定的语言环境，也就是要省略的名词大家已经知道，已经提起过。 例：It‘s hers. 是她的。 （单独使用大家不知是怎么回事，不可以这样用） There is a book. Its hers. 那有本书。是她的。 （先提及，大家才明白） 人称代词的主格和宾格 主格：主语 宾格：宾语 句子结构：主+谓+宾 Teacher: Hi, Anna. Are these your pencils? Anna: No, they’re Bob’s. Teacher: And is this his green pen? Anna: No, it isn’t. The blue pen is his. Teacher: What about this dictionary? Anna: It’s Helen’s. And the green pen is hers, too. Teacher: And the eraser? Is that yours? Anna: Yes, it is. Teacher: Thank you for your help, Anna. Anna: You’re welcome. Group work Teacher: Hi, Anna. Are these your pencils? Anna: No, they’re Bob’s. Teacher: And is this his green pen? Anna: No, it isn’t. The blue pen is his. Teacher: What about this dictionary? Anna: It’s Helen’s. And the green pen is hers, too. Teacher: And the eraser? Is that yours? Anna: Yes, it is. Teacher: Thank you for your help, Anna. Anna: You’re welcome. 1. __________, are you Lind Smith? 2. — Mary, this is your pen. Here you are. — __________. 3. — Are those his picture? — No, ____ aren’t. 1. Is this her ruler? 2. Is that Erics schoolbag? 3. Are these his pencils? 4. Are those Anna’s books? 一、单项选择。 1. －Is this your key, Jenny? －No. ______ is in my scho