First Conditional A
First Conditional B
Zero Conditional C
100

If I ______ (recycle) , I _____ (use) less paper.

RECYCLE ; WILL USE

100

If you do not ______ (recycle), then you ______ (cause) environmental harm.

RECYCLE ; WILL CAUSE

100

If people __________ (throw) rubbish into rivers, the water __________ (become) polluted.

throw-becomes

200

If you ______ (travel) by bus instead of car, you ______ (help) save the environment.

TRAVEL ; WILL HELP

200

If we ______ (fight) animal cruelty, we ______ (save) more animals.

FIGHT ; WILL SAVE

200

If we __________ (not recycle) paper, we __________ (cut down) more trees.

don't recycle, cut down trees

300

If we ______ (avoid) wasting energy, we ______ (save) the world.

AVOID ; WILL SAVE

300

If my brother ______ (avoid) littering, he ______ (reduce) the amount of trash in the ocean.

AVOIDS ; WILL REDUCE

300

If factories __________ (not use) clean energy, they __________ (damage) the environment

don't use, damage

400

If she ______ (buy) an electric car, the car ______ (be) fuel efficient.

BUYS ; WILL BE

400

If we ______ (reduce) how much we cut down trees, we ______ (save) energy.

REDUCE ; WILL SAVE

400

If people __________ (look) after forests, many animals __________ (stay) safe.

look, stay

500

If we ______ (have) more public transportation, we ______ (be) helping the environment.

HAVE ; WILL BE

500

If my family ______ (be) more careful about recycling, we ______ (not waste) paper.

IS ; WILL NOT WASTE

500

If a person __________ (not save) electricity, he or she __________ (pay) higher electricity bills.

doesn't save, pays