1. His old house is smaller than his new one. =>(bigger). 2. Lisa is the fastest typist in her team. =>(faster). 3. No player plays football as well as Ronaldo. =>(best) 4. The red skirt is more expensive than the black skirt. =>(cheaper) 5. This machine works better than that one

1. His new house is bigger than his old one. 

2. No one in Lisa's team is faster than her.

3. Ronaldo is the best player football.

4. The black skirt is cheaper than the red skirt.

5. That machine works worse than this one.

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*So sánh hơn với tính từ/ trạng từ ngắn: S1 + to be/V + adj/adv-er + than + S2

*So sánh hơn với tính từ/ trạng từ dài: S1 + to be/V + more + adj/ adv+ than + S2.

*So sánh hơn <-> So sánh hơn nhất: Không sự vật nào hơn sự vật này <-> Sự vật này nhất

*So sánh hơn nhất với tính từ/trạng từ ngắn: S + to be/V + the + adj/adv-est + ...

*So sánh bằng: S1 + to be/ V + as + adj/adv + as + S2.

- Trường hợp đặc biệt:

good - better - the best: tốt

bad - worse - the worst: xấu

far - farther/ further - the farthest/ furthest: xa