1.If I were an environmentalist,.................................. 2.If our school had a big garden,................................ 3.If the lake wasn't polluted,..................................... 4.If we have a day off tomorrow,.......................................... 5.If you want to do something for the planet, ..................................... KO COPY MẠNG DÙM MÌNH NHA TKS LÀM BÀI CÓ TÂM Ạ

`1`. If I were an environmentalist, I would invent something to reduce pollution.

`2`. If our school had a big garden, we would play football every day.

`3`. If the lake wasn't polluted, the fish could live there.

=> If 2: If + S1 + V2/ed, S2 + would/could + Vinf

`4`. If we have a day off tomorrow, we will go to the beach.

`5`. If you want to do something for the planet, you should put trash into the recycling bin.

=> If 1: If + S1 + V(s/es), S2 + will/can + Vinf