If we____(build) a greenhouse, we______(grow) our own veggies.
build, will grow
If we____(use) solar panels, we___(save) the energy.
use;p will save
If we______(turn off) the taps when we brush our teeth, we____(save) water.
turn off; will save
If we___(start) a carpool, we ____(reduce) air pollution.
start; will reduce
if we_____(recycle) newspapers and magazines, we____(cut down) fewer trees.
recycle; will cut down
If you_____(study) a lot, you____(pass) exams.
sudy; will pass
If it_____(be) sunny, we____(have) picnic in the park.
is, will have
If he____(miss) the train, he_____(arrive) late.
misses, will arive
If we____(do) our homework, our teacher_____(be) happy.
do; will be
If you_____(make) dinner, I_____(wash) the dishes.
make; will wash
If Messi _____(play), we______(win) the match.
plays; will win
If Bob_________(not/have) much work; he_______(come) home early.
doesn't have; will come
If she_____(have) the temperature, she______(go) to the doctor.
has; will go
If you______(wear) sandals in the mountain, you______(slip) and get hurt.
wear; will slip
If we____(not/find) a petrol station soon, we_____(run) out of petrol.
don't find; will run
If we ____(need) help, David ______(help) us.
need; will help
