1. No, it wasn't small. It was big.

$-$ small $\neq$ big : nhỏ $\neq$ to.

2. No, they weren't French. They were Italian.

$-$ French : người Pháp.

$-$ Italian : người Ý.

3. No, it wasn't red. It was green.

$-$ red: màu đỏ

$-$ green: màu xanh

4. No, they weren''t expensive. They were cheap.

$-$ expensive $\neq$ cheap: đắt $\neq$ rẻ.

5. No, it wasn't old. It was new.

$-$ old $\neq$ new: cũ $\neq$ mới.

6. No, they weren't good. They were bad.

$-$ good $\neq$ bad: tốt $\neq$ tệ.

× Câu nghi vấn thì QKĐ với tobe:

$-$ Was/Were + S + adj/adv?

$⇒$ Yes, S + was/were./ No, S + wasn't/weren't.

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$@haanx2$