If he (exercise / exercises) every day he (becomes / will become) stronger.
exercises, will become
If we (plant / plants) more trees we (help / will help) the planet.
plant, will help
Many animals (lose / will lose) their homes if we (don't stop / won't stop) cutting down forests.
will lose, don't stop
The oceans (stay / will stay) cleaner if people (use / will use) less plastic.
will stay, use
If we (walk / walks) instead of driving we (reduce / will reduce) air pollution.
walk, will reduce
She (gets / will get) sick if she (eat / eats) too much junk food.
will get, eats
She (gets / will get) better grades if she (studies / study) more.
will get, studies
You (pass / will pass) the test if you (study / studied) hard.
will pass, study
We (stay / will stay) at home if it (rain / rains) tomorrow.
will stay, rains
If she (drink / drinks) too much coffee she (can't / won't be able to) sleep.
drinks, won't be able to
I (answer / will answer) the phone if he (calls / call) me.
will answer, calls
A mosquito (enters / will enter) your room if you (leave / leaves) your window open.
will enter, leave
The park (looks / will look) better if we (pick / picks) up litter.
pick, will look
If you (turn / turns) off the lights you (save / will save) energy.
turn, will save
If they (don't hurry / won't hurry) they (miss / will miss) the flight.
don't hurry, will miss
You (won't be / don't be) healthy if you (don't eat / won't eat) vegetables.
won't be, don't eat
We (breathe / will breathe) better if factories (stop / stops) polluting the air.
will breathe, stop
That dog (bite / will bite) you if you (touch / touches) it.
will bite, touch
She (won't forgive / doesn't forgive) him if he (doesn't apologize / won't apologize).
won't forgive, doesn't apologize
They (die / will die) if you (don't water / won't water) the flowers.
will die, don't water
If you (help / helps) me I (finish / will finish) faster.
help, will finish
If you (wake / wakes) up late you (miss / will miss) the bus.
wake, will miss
If we (protect / protects) endangered species they (survive / will survive).
protect, will survive
There (be / will be) more water for everyone if we (don't waste / won't waste) it.
wll be, don't waste
If the sun (shine / shines) we (go / will go) to the beach.
shines, will go
If we (recycle / recycled) more we (reduce / will reduce) pollution.
recycle, will reduce
If we (throw / throws) trash in the river it (gets / will get) polluted.
throw, will get
If we (use / used) solar energy we (save / will save) money.
use, will save
She (gets / will get) cold if she (doesn't wear / won't wear) a coat.
will get, doesn't wear
You (won't understand / don't understand) the lesson if you (don't listen / won't listen) to the teacher.
won't understand, don't listen