人教版七年级上册英语Unit3SectionA(Grammarfocus3c)

1、SectionA(Grammar Focus-3c)Unit 3 Is this your pencil?Unit 3 Is this your pencil?Period 2Period 2Attention!Attention!its it isisnt is not arent are notComplete the questions and answers about each picture. 根据图片补全问句和答根据图片补全问句和答语。语。3aIs_ your book?Yes, it is.No. it _.Are _ my pencils?Yes, _ are.No, the

2、y arent.Is _ his ruler?Yes, it _.No, it isnt.Are _her pens?Yes, they are.No, they_.thisthisisntisntthesethesetheytheythatthatis isthosethosearentarent Read the questions and complete the answers. 阅读问句并补全对话。阅读问句并补全对话。Is this her ruler?Is that Erics schoolbag?Are these his pencils?Are those Annas book

3、s?Yes, . Its .No, . Sallys.Yes, . Theyre .No, . Mine.it ishersit isntIt isthey arehisthey arentTheyre3bPut some things into the teachers box.在老师的盒子里放一些物品。在老师的盒子里放一些物品。GAME 游戏游戏 找主人。找主人。3cTake one thing out of the box and find the owner. You only have two guesses! 从盒子里从盒子里取出物品并找到它们的主人。你只有两次猜测机会取出物品并找

4、到它们的主人。你只有两次猜测机会! !3cA:A: Is this your book? Is this your book?B:B: Yes, it is. Yes, it is.Conversation 1Conversation 1A: Is that your ruler?B: No, it isnt. It is hers. Conversation 2Conversation 2A:A: Is this your pen? Is this your pen?B:B: Yes, it is. Its mine. Yes, it is. Its mine.Conversation 3C

5、onversation 31.指示代词指示代词（1）在句子中，指示代词可以充当主语、定语、在句子中，指示代词可以充当主语、定语、 宾语或表语。如：宾语或表语。如： This is a pear. (作主语作主语) 这是一个梨。这是一个梨。 These video clips are very interesting and those ones are not. (作定语作定语) 这些光碟很有趣这些光碟很有趣, 那些没意思。那些没意思。 I like this very much. (作宾语作宾语) 我很喜欢这个。我很喜欢这个。 Oh, its not that. (作表语作表语) 哦哦, 不

6、是那个。不是那个。Explanation Explanation （2）学习指示代词学习指示代词, 应注意以下几点应注意以下几点: this与与is, these与与are没有缩写形式。没有缩写形式。 This is a Chinese car. 这是一辆国产轿车。这是一辆国产轿车。 指示代词作主语指物并用于问句中指示代词作主语指物并用于问句中 时时, 回答一般用回答一般用it代替代替this和和that， they代替代替these和和those。如：。如：Is that a ruler？那是尺子吗？那是尺子吗？No, it isnt. Its a pen.不不, 它不是。它是一支钢笔。它不

7、是。它是一支钢笔。Are these your books?这些是你的书吗这些是你的书吗?Yes, they are.是的，它们是。是的，它们是。2. no和和not二者都是二者都是“不不”的意思，但用法不同。前者可的意思，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；后者不能单独使用，要和be动词、助动动词、助动词等一起构成否定句。词等一起构成否定句。 如：如： -Is this your pencil? 这是你的铅笔吗这是你的铅笔吗? -No, it isnt. 不不, 它不是。它不是。 It is not m

8、y book. 它不是我的书。它不是我的书。3. The words that show ownership3. The words that show ownershipI my (我的我的) minehe his (他的他的) hisshe her (她的她的) hersthey their (他们的他们的) theirsit its (它的它的) its形容词性形容词性物主代词物主代词名词性名词性物主代词物主代词Grammar FocusGrammar FocusThis is a pencil.This is a pencil.Is this Is this a pencila pen

9、cil? ?This is my pencil.This is my pencil.Is this your Is this your pencilpencil? ? 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、构成及答语二、构成及答语 如果句中有动词如果句中有动词be (am, is, are)，将，将be动词动词 提到主语前

10、，并大写开头字母，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。含有含有be动词的一般疑问句要用动词的一般疑问句要用yes或或no来回答。来回答。它的肯定答语是它的肯定答语是Yes, 主语主语+ is/are. ；否定答语；否定答语是是No，主语，主语+isnt/arent.。注意答语用。注意答语用it代替代替this/that。ThisThisis ismymypencil.pencil.Is Is thithis syouryourpencil?pencil?含有含有be be动词的陈述句变为

11、一般疑问句的步骤动词的陈述句变为一般疑问句的步骤如：如：-Is this your pencil?这是你的铅笔吗这是你的铅笔吗?-Yes, it is. 是的，它是。是的，它是。-Have you any magazines?你有杂志吗你有杂志吗?-Yes, I have. 有，我有。有，我有。1.-Is this your _ _?1.-Is this your _ _? -Yes, _ you. _ that -Yes, _ you. _ that is _ _. is _ _.2. -_ this _ key?2. -_ this _ key? -Yes, _ is. _ mine. -

12、Yes, _ is. _ mine.pencipencil lboxboxthankthankAndAndmymyschoolbagschoolbag. . 根据图片完成句子。根据图片完成句子。Is youryourit itIts 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.”ExercisesExercises3. Heres _ _.3. Heres _ _.ananerasereraser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

13、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. c

14、olor (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)_hellohelloyesyesRrRrcolorcolorImImyouyouI I too/ twotoo/ two it isit 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. my name is (缩写形式缩写形式) _16. what is (缩写形式缩

15、写形式) _ananI I that isthat is my namesmy names whatswhats eveningeveningthatthat1. -Is this your pen? -_ 1. -Is this your pen? -_ A. Yes , this is. B. Yes, thiss. A. Yes , this is. B. Yes, thiss. C. No , this isnt. D. No, it isnt. C. No , this isnt. D. No, it isnt.2. -Is that a ruler? -_. Its a sharp

16、ener.2. -Is that a ruler? -_. Its a sharpener. A. Yes, that is. B. No, it is. A. Yes, that is. B. No, it is. C. No, that isnt. D. No, it isnt. C. No, that isnt. D. No, it isnt.D DD D. . 单项选择单项选择3. -Whats this? -_3. -Whats this? -_ A. Yes, it is. B. No, it isnt. A. Yes, it is. B. No, it isnt. C. Its

17、a eraser. D. Its an eraser. C. Its a eraser. D. Its an eraser.4. -Whats _ name? 4. -Whats _ name? -_ name is Ma Ling. -_ name is Ma Ling. A. your; My B. your; my A. your; My B. your; my C. your; I D. you; my C. your; I D. you; myD DA A. Complete. Complete these sentences these sentences with “am”, “

18、is”, “are”. with “am”, “is”, “are”.1. _ this his book?1. _ this his book?Yes, it _.Yes, it _.2. What _ that? It _ a book.It _ a book.3. How _ you?3. How _ you?I _ fine, thank you. I _ fine, thank you. Is Isis isis isis isareareamam1. 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

19、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 this her eraser? Yes, it is.Is that his pencil sharpener? No, it isnt.Is that his pencil sharpener? No, it isnt.This is my school ID card.This is my school ID card. .句型转换句型转换

20、4.The picture 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.My names Cindy.Yes, it is.Yes, it is.Is the picture on the wall?Is the picture on the wall?8. at, please, Kelsey, call, 63749996 (连词成句连词成句

21、)9. is, what, your, box, pencil, color (连词成句连词成句)Please call Kelsey at 63749996.Please call Kelsey at 63749996.What color is your pencil box?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，并作简要回答。将下列句子变为一般疑问句，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 this Gina? Yes, she is./No, she isnt.Is that his brother? YesIs that his brother? Yes, , he is./Nohe is./No, , he isnt. he isnt.3. He i