1. Vietnam isn't as cold as China
⇒ Phủ định so sánh ngang bằng
S1 + be not + as + adj + as + S2
2. Nam's brother isn't as clever as Nam
⇒ Phủ định so sánh ngang bằng
S1 + be not + as + adj + as + S2
3. That bike isn't different from this one
⇒ Phủ định different from
S1 + be not + different from + S2
4. Does Hoa like watching cartoon?
⇒ Hoa có thích xem hoạt hình không?
II.
1. has gone
⇒ HTHT
2. worked
⇒ QKĐ
3. has taken
⇒ HTHT
4. has played
⇒ HTHT
5. didn't go
⇒ QKĐ
6. walked
⇒ QKĐ