1. The more frequently people use public transport, the less traffic congestion there will be.

     The + adv-er/more adv + S + V, the + adj-er/more adj + N + S + V

     (Kết hợp so sánh kép với mệnh đề và danh từ)

2. The more crowded the street was getting, the harder it was for us to drive home.

     The + adj-er/more adj + S + V, the adj-er/more adj + S + V

     (So sánh kép với mệnh đề)

3. I think I'm coming down with a cold because of the unpredictable weather.

     come down with sth: mắc bệnh nhẹ

4. We're trying to cut down on the use of plastic in our house.

hoặc: We're trying to decrease the amount of plastic in our house.

     cut down on sth: cắt giảm về số, lượng

     reduce = decrease: làm giảm

     the use of sth: việc sử dụng cái gì