Put the verbs in the correct tense to make Type 0 Type 1 or Type 2 conditionals.
If you had showers instead of baths you ........... (save) water. Unless we ......... (stop) cutting down trees a lot of animals will disappear. If you mix red and blue it ...... (make) purple. If acid rain falls in a lake it .......... (reduce) the water. If we stopped using fossil fuels we ..... (not/cause) pullution.
Put the verbs into the correct tense.
If everybody used (use) public transport the air .......... (be) cleaner. Yes and we ....... (not/have) so many cars on the roads.
Please take the newspapers to the recycling bins today. Ok. If I ......... (have) time, I ...... (take) them. Unless you ........... (turn off) the lights when you leave the house your electrity bill ........(be) very expensive. I know but I always forget. What colour do you get if you ..... (mix) red and blue?
Marion drives her car everyewhere. Yes if she ...............(ride) her bike, she .....(help) the enviroment. And she ....(save) money on petrol too.
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