1. Your house is shorter than my house ( Your house is not as tall as my house)

-> tall trái nghĩa với short nên ta đảo ngược so sánh lại ( hoặc so sánh không bằng be not as adj as )

2. I like listening to music ( like + Ving )

3. The white dress is cheaper than the black one. ( The white dress is not as expensive as the black one). 

-> expensive trái nghĩa với cheap nên ta đảo ngược so sánh lại ( hoặc so sánh không bằng be not as adj as )

4. We used to use oil lamps. ( used to + V1 chỉ hành động/ thói quen trong quá khứ )

5. Mary is the most intelligent member in my group.  ( so sánh nhất " the most adj" hoặc "the adj-est)