Unit Three Is this your pencil Whats this

Unit Three Is this your pencil?

What’s this in English? It’s… a pencil What are these in English? They're. . . pencils /e/

What are these? They're. . . books

What’s this in English? It’s… a schoolbag

What’s this in English? It’s… a pencil box

Quick revision a pencil an eraser a pencil box a schoolbag a book a dictionary

What’s this in English?

Is this a pencil box? Yes, it is.

Is this a ruler? No, it isn’t(=is not). It’s an eraser.

Is this a pencil? Yes, it is. Is that a ruler? No, it isn’t. It’s a key.

Is this a pen? Yes, it is. Is that a pencil box? T-Ss No, it isn’t. It’s an eraser.

Are these books? Yes, they are. Are those books? No, they aren't. They're pencil boxes.

Are these pencils? Yes, they are. Are those pencils? No, they aren't. They're pens.

Ask and answer with your partners, using the things around you. (用你身边的物品 与同伴进行对话练习．） Is this/that a/an…. ? Yes, it is. No, it isn’t. It’s a/an… Are these /those. . . ? Yes, they are. No, they aren't. They are. .

Is that your pen? Yes, it is. It’s mine.

Find the owner(寻找物品的主人） A: Excuse me, is this /that your …? B: Yes, it is. / No, it isn’t. It’s his/ hers. A: Here you are. (� 你） B: Thank you.

Grammar Focus Let’s see these sentences: • This is a ruler. (陈述句) • Is this a ruler? (一般疑问句) • Yes, it is. (肯定回答) • No, it is not(=isn’t). (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 aren’t. (否定回答)