国培作业七上第三单元课件第一课时.ppt

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1、Unit 3 Is this your pencil?Section A第一课时第一课时thatthis a rulera pen a book a dictionary dictionariesa pencila schoolbagan erasera pencil boxIs this a pencil box? Yes, it is.Is this your pencil box? Yes, it is. Its my pencil box.No, it isnt. Its her pencil box.Is that an eraser? No, it isnt. Its a book

2、.Is that your book? Yes, it is. Its my book.No, it isnt. Its his book.1b. Listen and number the conversations.A: Is this your pencil?B: Yes, it is .Its mine（my pencil）.A: Is that your schoolbag?B: No, it isnt. Its his（his schoolbag）.A: Are these your books?B: No, they arent. Theyre hers （her ruler）.

3、321口诀口诀 be 动词真伟大，动词真伟大，生出生出am is are . 我(I)用am，你(you)用are， is连着他(he)，她(she)，它(it)，其余单数用(is)，复数就用are。表示否定很简单，表示否定很简单，not加在加在be 后边。后边。若要变为疑问句，若要变为疑问句，be应移到主语前。应移到主语前。还有一点要注意，句末问号别忘记。还有一点要注意，句末问号别忘记。一、将下列句子变成一般疑问句和否定句一、将下列句子变成一般疑问句和否定句1.This is an apple .2. It s my computer .3. This is my backpack .4. My phone number is 15094128670.5. Im Jenny .6. Her family name is King .7. Lu Ping and Xia Yu are friends .8. The pens are yellow .二、分别对下列句子作出肯定回答和否定回答1. Is this your baseball ?2. Are you an English boy ?3. Is the girl your friend ?4. Is your pencil case red ?