初中英语教材解读人教七年级上册Unit 3 Is this your pencil语法.docx

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1、1 .名词性物主代词mine, hers, yours等是名词性物主代词，相当于一个名词，可以在句子中单独使用。它相当于 “形容词物主代词+名词而形容词性物主代词只能和名词在一起使用。e.g. This is your ruler. Ils not my ruler.(=This ruler is.Its not.)这是你的尺子，它不是我的。Those arent his books. They,re her books.(=Those books arent. Theyre.)那些书不是他的。它们是她的。形容词性物主代词和名词性物主代词人称-二单复单/复单单单复形代myouryourhish

2、eritstheir名代mineoursyourshishersitstheirs2 .含有be动词的一般疑问句。一般疑问句是在句子中用提问的方式提供一些信息，要求对方用Yes或No回答的疑问句。朗 读一般疑问句用升调，其简略答语用降调。由be动词(am, is, are)引导的疑问句结构是:“be+主语+ 其他部分？ ”一调二改三问号1)“一调”：把be动词调至句首；2) “二改：改主语称谓；3) “三问号”:在句末加上问号肯定回答：Yes,主语+be (am, is, are).否定回答：No,主语+be (am, is, are) not.通常要缩写。e.g. Is this your

3、pencil?这是你的铅笔吗？Yes, it is. No, it isn.是的。/不是。IV. PracticeT: Leis work on 3a. Look at the pictures in 3a. We can see the first picture is close to us, but the second picture is a little far from us. When we ask about them, we must pay attention to the use of this, that,these and those.1. Now try to c

4、omplete the questions and answers about each picture.2. Check the answers with the class.3. Explanation:this/these ”这，这个/这些”，用于指代在时间或空间上说话人较近的人或物。that/those 那，那个/那些”，用于指代在时间或空间上说话人较远的人或物。V. PracticeLets work on 3b.T: Read the questions and complete the answers. You should pay attention to this/that

5、and these/those Ss read the questions and answer the questions with their partner. Then write down their answers in the blanks.1. Check the answers with the class.VI. Game1. Divide the Ss into five or six groups. Each group has six to eight students. All the students in a group put some of their sch

6、ool things into a box.T: I have many things in this box. But Im sorry I dont know whose these are. Could you help me find the owners? Lets see who can find all the owners first and write the owners * names in the chart. You only have two guesses.T: Is this your math book?51: Yes, it is. Its mine.T:

7、Is that your ruler?52: No, it isnt. Its hers. My ruler is blue.T: Kim, is this your dictionary?53: No, il isnt. Ils his.T: Jim, are these your erasers?54: Yes, they arc. They arc mine.T: Here you are.S4: Thank you.VII. Summary*Yes/No questions and short answersA: Is this/that.?B: Yes, it is./No, it

8、isnt.A: Are these/those.?B: Yes, they are./No, they arent.*名词性物主代词hers, his, mine, yours.VIII. ExercisesI .根据括号内的要求完成下列各题，每空一词（含缩略形式）。1. Those are erasers.（改为单数形式）eraser.2. My key is brown.（改为复数形式）My brown.3. This is a map.（改为一般疑问句）a map?4. 一Are these your jackets?（补全否定答语）No,.5. 一This is my photo. Is that your photo?（补全肯定答语） 一Yes, that photo.II.根据所给例子，将下列句子改写为对话。例：This is my pen.Is this your pen?Yes, it is.1. This isnt his pencil.2. That is her jacket.3. These are Lucys books.4. Those arent Jims photos.