Is this your pencil?Unit ThreeSection AThis is my sister/cousin. 复数句These are my sisters/cousins.That is my aunt /uncle.Those are my aunts/uncles.What’s this in English?It’s… a pencil/e//e/What are these in English?They're ...pencils What’s this in English?• This is her ruler.• 一问及回答• Is this her ruler ?• Yes, it is./No, it isn’t.• (isn’t=is not)• These are her books.• 一问及回答• Are these her book?• Yes, they are.• No, they aren’t.• (aren’t=are not)一般疑问句Is this your pencil?Yes, it is. (肯定回答)No, it isn’t. (否定回答)isn’t = is not特点及注意:1 、问句使用升调2 、把 be 动词提前3﹑ 一般疑问句必须先用 yes 或 no 回答 .4 、肯定回答时, it is 不 能写成 it’s.This is a ruler. (改为一般疑问句)——— ———— a ruler? Isthis• That is my eraser.• ( 改为一般疑问句并做肯定回答)• ——— ——— ——— easer?• —— , ——— —————.YesIsthatyouritis• Is this his dictionary?• ( 改为陈述句 )• ____ _____ ______ dictionary.Thisishis• That is her book.• ( 改为一般疑问句并做否定回答 ) ——— ——— her book?_____, ______ ____.NoIsthatitisn’t改错 1 Is this a book? Yes, it isn’t.2 Is that your dictionary? Yes, it’s.3 What’s that? It’s ruler.• It’s an eraser.• It’s her eraser.• It’s hers.• (hers= her eraser)It’s a pencil box.It’s my pencil box.It’s mine.mine = my pencil box•It’s a pencil.•It’s your pencil.•It’s yours.yours=your pencil• It’s a schoolbag.• It’s his schoolbag.• It’s his.• (his=his schoolbag)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,用在名词前 • ( 举例 )名词性物主代词 • mine (mine=my + 名词 )• yours (yours=your+ 名词)• his (his=his+ 名词 )• hers (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 )...