1. Life is less convenient in the suburbs than in the city centre ( so sánh kém, less là dạng ss hơn của little)

2. Their neighborhood is more polluted than my neighborhood.

3. Shanghai is more modern than Ha Noi.

4. Other place are not as peaceful as my neighborhood.

=> Tất cả đều liên quan đến ss hơn, ss không bằng, ss kém, biết ctruclaf làm đc nhaa=))

`1`. Life in the suburbs is less convenient than in the city centre.

`-` So sánh kém: S1 + be + less + adj + than + S2

`2`. Their neighbourhood is more polluted than my neighbourhood.

`-` So sánh hơn: S1 + be + adj-er/more adj + than + S2

`3`. Shanghai is moderner than Ha Noi.

`-` So sánh hơn: S1 + be + adj-er/more adj + than + S2

`4`. Other places are not as peaceful as my neighbourhood.

`->` So sánh bằng phủ định: S1 + be + not as + adj + as + S2