英语人教版七年级上册Unit3-Is this your pencil ？.pptx

1、Welcome to our class,Is this your pencil?,Unit Three,a map,Whats this in English?,Its,a pen,a ruler,a jacket,a quilt,a key,an orange,o,Whats this in English? Its,a pencil,What are these in English? Theyre .,pencils,a book,Whats this in English?Its,What are these? Theyre,books,an eraser,/e/,/I/ /eI/,

2、Whats this in English?Its,a dictionary,/e/,/I/,/e/,/e/,Whats this in English?Its,Whats this in English?Its,a schoolbag,a pencil box,Whats this in English?Its,a pencil,a book,an eraser,a dictionary,Quick revision,a pencil box,a schoolbag,Whats this in English?,Match the words with the things in the p

3、icture. 1.pencil_e_ 2.pen_ 3.books_ 4.eraser_ 5.ruler_ 6.pencil box_ 7.schoolbag_ 8.dictionary_,g,b,h,c,f,a,d,Is this a pencil box?,Yes, it is.,-Is this a ruler?,-No, it isnt(=is not). -Its an eraser.,Is this a pencil?,Yes, it is.,Is that a ruler?,No, it isnt. Its a key.,Is this a pen?,Yes, it is.,T

4、-Ss,Is that a pencil box?,No, it isnt. Its an eraser.,Is this an apple(苹果)?,No, it isnt. Its an orange.,T-Ss,Is that a schoolbag?,Yes, it is.,Are these books?,Yes,they are.,Are those books?,No,they arent. Theyre pencil boxes.,Are these pencils?,Yes,they are.,Are those pencils?,No,they arent. Theyre

5、pens.,-Is this/that a/an.? -Yes, it is. -No, it isnt. Its a/an,Ask and answer with your partners, (用你身边的物品与同伴进行对话练习）,Pair work:,-Are these /those .? -Yes,they are. -No, they arent. They are.,Yes, it is. Its mine.(=my ruler),Is this your ruler?,No, it isnt. Its his. (=his schoolbag),Is that your scho

6、olbag?,Are these your books?,No,they arent. Theyre hers .(=her books.),Is that your pen?,Yes, it is. Its mine.,A:Is this your pencil? B:Yes,it is.Its mine.,A:Is that your schoolbag? B:No,it isnt. Its his.,A:Are these your books? B:No,they arent. Theyre hers .,3,2,1,Listen and number the conversation

7、s 1-3.,1b,课堂练习,填 空,1.-Is that your pencil? -Yes, _ _ . 2.-Is this your ruler? -_ , it isnt. 3.-_those your books? -No, they _. 4.-Is this her pen? -No, it isnt. _ mine. 5.-_ that your pencil box? -_ , it isnt. It is _ . 6.-Is this his eraser? -_ , it is. 7.- _ this your eraser? -Yes, _ _. Its_ .,it

8、is,No,Are,arent,Its,No,his/hers,Yes,Is,it is,mine,Is,巧变一般疑问句,一调二改三问号 一调：即把句中的be（am / is /are )调到主语的前面。 二改：句中的主语若含有I (my /we )等第一人称代词时，需将它们改为you (your /you ） 三问号：句末的句号改为问号。,一般疑问句简略的答语。 肯定答语：Yes,主语+ be. 否定答语：No,主语+ be + not. 2. 若问句中主语是that或this，答语的主语用it. 若主语是名词时，答语的主语应用相应的人称代词。,分别对下列句子作出肯定回答和否定回答 1. I

9、s this your baseball ? Yes, it is. / No, it isnt. 2. Are you an English boy ? Yes, I am. / No, Im not. 3. Is the girl your friend ? Yes,she is. / No, she isnt. 4. Is your pencil case red ? Yes, it is. / No, it isnt.,Grammar Focus,Lets see these sentences: This is a ruler. (陈述句) Is this a ruler? (一般疑

10、问句) Yes, it is. (肯定回答) No, it is not(=isnt). (否定回答),They are books. (陈述句) Are they books? (一般疑问句) Yes,they are . (肯定回答) No, they arent. (否定回答),如何将含be动词的肯定句变为否定句,一般将含be动词am, is ,are 的肯定句转化为否定句时，直接在be动词am, is ,are 后加上“not”即可。其他部分不变。 e.g.1. This is a ruler . 变：This is not a ruler . 2. I am a student . 变：I am not a student. 3. Tim and I are good friends. 变：Tim and I are not good friends .,一、将下列句子变成一般疑问句和否定句 This is an apple . It s my