If I ________ stronger, I would help you carry the box.
am
would be
were
will be
If I __________ her tomorrow, I'll say hello.
meet
will meet
would meet
met
You won't pass the exam __________
unless you study
unless you will study
if you study
if you won't study
When it _______ , the grass gets wet.
rain
rains
rained
would rain
I _________ to London if I can't buy a cheap flight.
don't travel
travel
will travel
won't travel
Careful! If you drop that glass, it ____
will break
break
breaks
would break
If I miss my train, I _________ late to work.
will
will been
will be
would be
If you want to come, _________ me before 18:00h
must call
call
have called
called
If I were rich, I __________ more.
would travel
travel
travelled
will travel
If I had a garden, I _____________ lots of vegetables.
grown
would grow
grow
will grow
If we don't protect orangutangs now, they _____________ extinct.
would extinct
will extinct
will become extinct
would become extinct
If people ________________ rubbish in the street, this city would be much cleaner!
dropped
did put
wouldn't throw
didn't drop
