七年级英语上册Unit3SectionA-2.ppt

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1、 Unit 3 Is this your pencil?Questions Answers Is this your pencil?Yes, it is. Its mine./ No, it isnt. Its hers. Is this his green pen?Yes, it is. / No, it isnt. The blue pen is his.Is that your schoolbag?Yes, it is. / No, it isnt. Its his.Are these your books?Yes, they are. / No, they arent. Theyre

2、hers.Are those her keys?Yes, they are. / No, they arent. Theyre mine.Grammar FocusAttention!its it isisnt is not arent are not3a Complete the questions and answers about each picture.Is your book?Yes, it is.No, it .Are my pencils?Yes, are.No, they arent.Is his ruler?Yes, it .No, it isnt.Are her pens

3、?Yes, they are.No, they .thisisntthesetheythatisthosearent3b Read the questions and complete the answers.1. Is this her ruler?2. Is that Erics schoolbag?3. Are these his pencils?4. Are those Annas books?Yes, . Its .No, . Sallys.Yes, . Theyre .No, . mine.it ishersit isntIt isthey arehisthey arentThey

4、re3c Put some things into the teachers box.Then take something out of the box and find the owner. You only have two guesses!A: Is this your book?B: Yes, it is.Conversation 1A: Is that your ruler?B: No, it isnt. It is hers. Conversation 2A: Is this your pen?B: Yes, it is. Its mine.Conversation 3Gramm

5、ar focusThis is a pencil.Is this a pencil?This is my pencil.Is this your pencil? 一般疑问句一般疑问句一、含义一、含义 以动词以动词be, have或助动词、情态动词开头，或助动词、情态动词开头， 以以yes或或no作回答的问句叫做一般疑问句。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。情况下只需作简略回答。二、二、构成及答语构成及答语 如果句中有动词如果句中有动词be (am, is, are)，将动词，将动词 提到主语前，并大写开

6、头字母，句末用提到主语前，并大写开头字母，句末用 问号，主语第一人称变第二人称，即变成问号，主语第一人称变第二人称，即变成 了一般疑问句。了一般疑问句。 一般疑问句要用一般疑问句要用Yes或或No来回答。它的来回答。它的 肯定答语是肯定答语是Yes, it is. 否定答语是否定答语是No， it isnt. 注意答语用注意答语用it代替代替this/that。Thisismypencil.Is thisyourpencil?含有含有bebe动词的陈述句变为一般疑问句的步骤动词的陈述句变为一般疑问句的步骤一般疑问句的肯定和否定回答：一般疑问句的肯定和否定回答：Is this your moth

7、er ?Are these your brothers ?Yes, it is. No, it isntYes, they are. No, they arentIs he your brother ?Yes, he is. No, he isnt总结：总结： 1.答语中的代词必须是_代词，人称人称he 、she、 it、 they、 we、 I不能用不能用these不能用不能用this和问句中的主语保和问句中的主语保持一致持一致一般疑问句的肯定和否定回答：一般疑问句的肯定和否定回答：Is this your pencil ?Are these your brothers ?Yes, it i

8、s. No, it isnt.Yes, they are. No, they arent.Is he your brother ?Yes, he is. No, he isnt.总结：总结： 2.答语中的动词通常和_保持一致问句中的首位动词问句中的首位动词变为疑问句并做肯定和否定回答：变为疑问句并做肯定和否定回答：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 you

9、r ring? Are these her books?Are those his oranges?Are those your backpacks?1.-Is this your _ _? -Yes, _ you. _ that is _ _.2. -_ this _ key? -Yes, _ is. _ mine.pencilboxthankAndmyschoolbag. . 根据图片完成句子。根据图片完成句子。Is youritIts 解析解析: :Its是是It is的缩写形式的缩写形式,It指代指代this; “ Its mine.”=“Its my key.”Exercises3.

10、 Heres _ _.aneraser解析：解析：a和和an都是不定冠词都是不定冠词, 放在单数可数名词前放在单数可数名词前, 修饰修饰限定名词限定名词, 表示表示“一个、一块一个、一块”的意思。如果名词的的意思。如果名词的读音以辅音音素开头读音以辅音音素开头, 用不定冠词用不定冠词a, 如如:a banana, a pear; 如果名词的读音以元音音素开头如果名词的读音以元音音素开头, 要用不定冠词要用不定冠词an, 如如an orange, an egg。在本句中。在本句中, 单词单词eraser是以是以元音音素元音音素 i 开头的词开头的词,故要用冠词故要用冠词an。. . 按要求写出下

11、列词的相应形式按要求写出下列词的相应形式。1. hi (同义词同义词)_2. no (反义词反义词)_3. are (同音字母同音字母)_4. color (动词动词)_5. I am (缩写形式缩写形式)_6. u (同音词同音词)_7. my (主格主格)_8. to (同音词同音词)_9. its (完整形式完整形式)_helloyesRrcolorImyouI too/ two(二二) it is10. morning (对应词对应词)_11. this (对应词对应词)_12. a (同义词同义词)_13. i (大写形式大写形式)_14. thats (完整形式完整形式) _15.

12、 my name is (缩写形式缩写形式) _16. what is (缩写形式缩写形式) _anI that is my names whats eveningthat1. -Is this your pen? -_ A. Yes , this is. B. Yes, thiss. C. No , this isnt. D. No, it isnt.2. -Is that a ruler? -_. Its a sharpener. A. Yes, that is. B. No, it is. C. No, that isnt. D. No, it isnt.DD. . 单项选择单项选择3.

13、 -Whats this? -_ A. Yes, it is. B. No, it isnt. C. Its a eraser. D. Its an eraser.4. -Whats _ name? -_ name is Ma Ling. A. your; My B. your; my C. your; I D. you; myDA. Complete these sentences with “am”, “is”, “are”.1. _ this his book?Yes, it _.2. What _ that? It _ a book.3. How _ you?I _ fine, tha

14、nk you Isisisisaream1. This is her eraser. (改为一般疑问句改为一般疑问句, 并作肯定并作肯定 回答回答)2. That is his pencil sharpener. (改为一般疑问句改为一般疑问句, 并作否定回答并作否定回答)3. this, school, my, is, card, ID (连词成句连词成句)Is this her eraser? Yes, it is.Is that his pencil sharpener? No, it isnt.This is my school ID card. .句型转换句型转换4.The pict

15、ure is on the wall. (一般疑问句一般疑问句)5. Is that a soccer ball? (否定回答否定回答)6. Im Cindy. (同义句同义句)7. Is this your brother. (肯定回答肯定回答)No, it isnt. My names Cindy.Yes, it is.Is the picture on the wall?8. at, please, Kelsey, call, 63749996 (连词成句连词成句)9. is, what, your, box, pencil, color (连词成句连词成句)Please call Ke

16、lsey at 63749996.What color is your pencil box?10. your, is, book, this, (?) (连词成句连词成句)Is this your book?.将下列句子变为一般疑问句，将下列句子变为一般疑问句， 并作简要回答。并作简要回答。1. This is Gina. 2. That is his brother. Is this Gina? Yes, she is./No, she isnt.Is that his brother? Yes, he is./No, he isnt.3. He is my good friend. 4.

17、 These are nice pictures. 5. Those are school things.Is he your good friend? Yes, he is./No, he isnt.Are these nice pictures? Yes, they are. /No, they arent.Are these school things? Yes, they are./No, they arent.改错：改错：1.Are this your book?2.Those is my pen.3.Is these his pencils?4.Are those her ruler?5.Are they your books? Yes, theyre.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 they your books? Yes, they are.Homework 1. Copy the new words of P13 five times;2. Find out the English words of school things you know.