unit3课件 (3)

1、Period IUnit 3Is this your pencil?Words and Expressionspencil 铅笔book 书eraser 橡皮 box 箱；盒；橱pencil box 铅笔盒；文具盒schoolbag 书包dictionary 词典; 字典his 他的mine 我的hers 她的物主代词1.形容词性物主代词起形容词的作用，用在名词前。例：1. This ismybook. 这是我的书。 2. 名词性物主代词起名词的作用。例：1. Look at the two pencils. The red one isyoursand the blue one ismine

2、. 看那两支铅笔，红的是你的，蓝的是我的。3.名词性物主代词=形容词性物主代词+名词为避免重复使用名词，有时可用“名词性物主代词”来代替“形容词性物主代词+名词”的形式。例：My bag is yellow, her bag is red, his bag is blue and your bag is pink. 我的包是黄色,她的(包)是红色,他的(包)是蓝色而你的(包)是粉红色的.为避免重复使用bag，可写成My bag is yellow, hers is red, his is blue andyours is pink.hers=her bag; his=his bag; your

3、s=your bag掌握这些对英语学习有一定的帮助。练习题:1.This is _ (我的) book, that book is _ (她的).2._ (他的) ruler is red, _ (我的) is yellow.3._ (她的)sister is 10, and _(他的) is 8.myhersHismineHerhis1aMatch the words with the things in the picture.将词语与圈中物品匹配。1. pencil _2. pen_3. books_4. eraser _5. ruler _6. pencil box _7. schoo

4、lbag _8. dictionary _egbhcfadWhats this/that in English?Is it a book?？No, its a pencil.Exercise Whats this/that in English?Is it a pen?？Yes, it is.Exercise Whats this/that in English?Is it a ruler?？No, it isnt. Its an eraser.Exercise Whats this/that in English?Is it a pencil box?？Yes, it is.Exercise

5、 Whats this/that in English?Is it a dictionary?？No, it isnt . Its a ruler.Exercise Whats this/that in English?Is it a pencil box?？No, it isnt. Its a schoolbag.Exercise Whats this/that in English?Is it a dictionary?？Yes, it is.Exercise Listen and number the conversations(1-3).听录音，给下列对话编号1-3.A: Is thi

6、s your pencil?B: Yes, it is. Its my pencil/mine.A: Is that your schoolbag?B: No, it isnt. Its his.A: Are these your books?B: No, they arent. Theyre hers.1b123Words and Expressionsexcuse 原谅；宽恕excuse me 请原谅（客套话，用于与陌生人搭话、打断别人说话等场合）thank 感谢what about=how about? 怎么样? .好吗?thank you for=thanks for(后面加名词或动词

7、ing形式.) 为而感谢例:感谢你的帮助. Thanks for your help=thank you for helping.Youre welcome. 不用谢.(用来回答thank you.)2aListen and check the things you hear. 听录音，在你听到的物品后打勾。Listen again. Complete the conversation with the words in the box.听录音，用方框里的单词补全对话。 eraser pencil ruler pencil box booksTom: Excuse me, Grace. Is

8、this your ?Grace: Yes, thank you. And those are my ?Tom: And Jane, is this your ?Jane: No, it isnt. Its her ruler/hers.Tim: OK, and these are my . And this is your , Jane.pencileraserrulerbook pencil box2b 一般疑问句 以动词be，have或助动词、情态动词开头，以yes或no作回答的问句叫做一般疑问句。回答时可以用完整的句子回答，但大多数情况下只需作简略回答。如：Is this your p

9、encil?这是你的铅笔吗?Yes, it is. 是的。Explanationno和not 二者都是“不”的意思, 但用法不同。前者可单独使用, 用于回答一般疑问句，反义词为yes; 后者不能单独使用, 要和be动词、助动词等一起构成否定句。例如：Is this your pencil?这是你的铅笔吗?No, it isnt.不, 不是。It is not my book.这不是我的书。ExplanationIs this your book?Yes, it is. Its my book.Is this your pencil box?No, it isnt. Its her pencil

10、box.Is this your ruler?No, it isnt. Its his ruler.A: Excuse me. Is this your eraser?B: No, it isnt. I think its her/his eraser.A: Excuse me. Is this your eraser?C: No, it isnt. I think its her/his eraser.A: Is this your eraser?D: Yes, it is. Its my eraser. Thank you.Practice the conversations below. Then make your own conversations. 练习下面的对话，然后和同伴编新对话。 A: Excuse me, Mary. Is this your book? B: Yes, _ _. A: Mary, is this your pencil? B: No, it _. Its _ pencil. A: Whats this _ English? B: _ _ eraser