1. This is the more wonderful book she has ever read.

- Lỗi: more --> most (so sánh nhất)

2. No mountain in the world is the biggest than Everest.

- Lỗi: biggest --> bigger (so sánh hơn)

3. Bill Gate is the richer people in the world.

- Lỗi: richer --> richest (so sánh nhất)

4. The bed room is biggest than the kitchen one.

- Lỗi: biggest --> bigger (so sánh hơn)

5. One of the greater football players in Vietnam is Quang Hai.

- Lỗi: greater --> greatest (so sánh hơn)

`1`. more  `→` most (so sánh nhất)
`2`. the biggest `→` bigger (so sánh hơn vì có than)
`3`. richer `→` richest (so sánh nhất vì có the)
`4`. biggest `→` bigger (so sánh hơn vì có than)
`5`. greater `→` greatest (so sánh nhất vì có the)