1. If / we / plant / more trees / neighbourhood / greener
      ->If we plant more trees, our neighbourhood will be greener.
  2. If / we / cycle /school / every day / we /keep /air / clean and fresh
      ->If we cycle to school everyday, we will keep the air clean and fresh.
  3. If / we / keep /hunt / animals / they / disappear / soon
      ->If we keep on hunting animals, they will disappear soon.

cấu trúc keep on + Ving: tiếp tục
  4. If / we / cut down / all / trees / there / floods 
      -> If we cut down all trees, there will be floods.
  5. If / we / use / buses / we / reduce / pollution

      -> If we use the buses, we will reduce pollution.

#NOCOPY

1. If we plant more trees, our neighbourhood will be greener

2. If we cycle to school everyday, we will keep the air clean and fresh

3. If we keep hunting animals, they will disappear soon

4. If we cut down all trees, there will be floods

5. If we use the buses, we will reduce pollution