The river/ not be/ so polluted/ if/ factories/ not dump/ waste/ it.
The river wouldn't be so polluted if factories didn't dump waste into it.
If/ people/ not really care/ about the environment/ they/ not try/ save it.
If people didn't really care about the environment, they wouldn't try to save it.
What/ happen/ if/ water pollution/ stop?
What would happen if water pollution stopped?
The Earth/ be/ cleaner/ if/ everyone/ use/ renewable energy.
The Earth would be cleaner if everyone used renewable energy.
If/I/ be/ you/I/ take/ these bottles/ the bottle bank.
If I were you, I would take these bottles to the bottle bank.
We/ be/ less worried/ if/ oil spills/ not have/ such destructive effects.
We would be less worried if oil spills didn't have such destructive effects.
Animals/ not/ be/ in danger/ if/ humans/ stop/ destroying their habitats.
Animals wouldn’t be in danger if humans stopped destroying their habitats.
If/ governments/ ban/ single-use plastics,/ the ocean/ be/ much healthier.
If governments banned single-use plastics, the ocean would be much healthier.
If/ there/ be/ no more pollution/ the world/ be/ a better place?
If there were no more pollution, would the world be a better place?
We/ be/ happy/ if/ air pollution/ be/ the only problem
We would be happy if air pollution was the only problem.
What would happen if every person planted one tree?
Student's answer
More tourists_________(come) to this country if it __________ (have) a better climate.
More tourists would come to this country if it had a better climate.
We/ save/ many trees/ if/ we/ reduce/ paper waste.
We would save many trees if we reduced paper waste.
What would happen if people stopped using motorbikes?
Student's answer
If the city had more bicycles,__________
Student's answer
If I ____ (be) a king, I_______
Student's answer