If I have time, I will finish the letter.
Wrong
Right
Nobody (notice) if you (make) a mistake.
will notice, make
If Sarah (not want) to go, (you take) me instead?
doesn't want / will you take
You miss the bus if you don't hurry.
Wrong
Right
What (you do) if you (miss) the train?
will you do/miss
Mom (be) mad if my brother(show up) late.
will be -shows up
.... they study hard, they won't pass the exam.
If
Unless
If the teacher(be) absent, we (be able to) leave earlier.
is/will be able to
They ...... (not tell) anyone if you ask them not to.
won't tell
If he will come home again late, he is punished!
Right
Wrong
If she (need) a computer, her brother(lend) her his.
needs- will lend
Unless they (stay up) late, they (finish) on time.
stay up/won't (be able to) finish
Jane (phone) me as soon as she (get) home.
will phone-gets
If the shop (be) open, (you/buy) me some sugar, please?
is-will you buy
If the weather will be nice, I'll go to the park.
Wrong
Right
