Tom: Excuse me, Grace. Is this your ___p_e_n_c_il___?
Grace: Yes, thank you. And those are my _e_ra_s_e_r_s____.
Tom: And Jane, is this your ____ru_l_e_r___? Jane: No, it isn't. It's hers. Tom: OK, and these are my ___b_o_o_k_s___.
Warming up
—What’s this in English? —It’s...
1a Match the words with the things in the picture.
1. pencil ___e____
2. pen ___g____ 3. books ____b___ 4. eraser ____h___ 5. ruler ___c____ 6. pencil box ____f___ 7. schoolbag ___a____ 8. dictionary ___d____
It___is_n_'_t __Tina's watch.
Grammar Focus
It's = it is isn't = is not aren't = are not
Is this your pencil?
Yes, it is. It's mine. No, it isn't. It's hers.
Is that your jacket? 那是你的夹克吗?
No, it isn’t.
不,不是。
2. Are these/those …? 这些/那些是……吗? 在这种句型中名词要用复数形式。不用不 可数名词。 肯定回答:Yes, they are. 是的。 否定回答:No, they aren’t. 不是。 注意:不能用these或those来做简略回答。 e.g. Are these your rulers? 这些是你的尺子吗? No, they aren’t. 不是。 Are those his erasers? 那些是他的橡皮吗? Yes, they are. 是。