Conditional sentences type 1

1.    If we ______(plant) trees, we _____ (reduce) carbon dioxide in the atmosphere.

1.    If we ______(learn) to respect the environment, our planet_____ (be) a better place to live in.

1.    If we _____(recycle) paper, we _____(save) our forests.

1.    If we_____(not, buy) products from endangered species, we _____ (help) them survive.

1.    If we ____ (not, leave) taps running, we_____ (save) water.

1.    If we _____(not, leave) all our lights on, we ______ (not, waste) energy.

…….. a shower instead of a bath, they save water.

If we …….. save the forests of Sumatra, the Sumatran tiger won’t survive.

If you …….. less paper, you save forests.

We can’t reduce rubbish …….. we recycle.

If we don’t protect rainforests now, many animals …….. become extinct.

f you …….. ice in hot water, it melts.

I won’t buy anything from that shop unless they …….. burning coal in their factory.

If I …….. you, I would recycle all my empty cans and bottles.

If Jack _____________ soon, we _______________ without him.

Ted ________________ keep fit if he ________________ to join the school football team.

What ____________ if you _______________ football tomorrow?

We _______________ swimming if it ________________ tomorrow.