Zero Conditional +
First Conditional +
First Conditional -
100

If you ... ice, it ... (heat, melt)

If you heat ice, it melts.

100

If we ________ (reduce) our use of plastic, we ______ (help) protect marine life.

If we reduce our use of plastic, we will help protect marine life.

100

If we ______ (not stop) cutting down forests, many animal species _____ (disappear).


If we don’t stop cutting down forests, many animal species will disappear.


200

If you ... in the rain, you ... wet. (stand, get)

If you stand in the rain, you get wet.

200

If people _____ (plant) more trees, we _______ (reduce) carbon emissions.

If people plant more trees, we will reduce carbon emissions.

200

If industries ________ (not reduce) pollution, the air quality _______ (not improve).

If industries don’t reduce pollution, the air quality won’t improve.

300

If I ... hungry, I ... out to eat. (be, go)

If I am hungry, I go out to eat.

300

The planet _________ (become) cleaner if governments ______ (invest) in renewable energy,


The planet will become cleaner if governments invest in renewable energy,

300

We ________ (not solve) the plastic problem if people _______ (not recycle) their waste.

We won’t solve the plastic problem if people don’t recycle their waste.

400

You .... in bed if you ... sick. (should stay, feel)

You should stay in bed if you feel sick.

400

If we _____ (use) energy-efficient appliances, we _____ (save) more electricity.

If we use energy-efficient appliances, we will save more electricity.

400

The oceans ________ (not recover) if governments _______ (not ban) single-use plastics.

The oceans won’t recover if governments don’t ban single-use plastics.

500

I... really bad if I... at 6 o`clock.

(feel, wake up) 

If I wake up at 6 o’clock, I feel awful

500

More people _______ (take) action if we _______ (raise) awareness about sustainability.

More people will take action if we raise awareness about sustainability.

500

Climate change _______ (not stop) getting worse if we ______ (not take) action now.

Climate change won’t stop getting worse if we don’t take action now.