The document discusses different types of conditional sentences using 'if'. It provides examples of conditional sentences using the present, past and future tenses. It also gives exercises to transform verbs into the correct form for different conditional sentences. Furthermore, it explains the structure of different types of 'if' conditional clauses and provides examples for 'if' clauses with the present simple tense followed by the present simple or future simple in the main clause, or followed by an imperative in the main clause.

1. ‘If’ Conditionals

2. I. If it rains, we will stop the match.
II. If it rained, we would stop the match.
III. If it had rained, we would have
stopped the match.
Or
Had it rained, we would have stopped
the match.

3. Put the verbs into the correct forms.
1. Had I worked hard, I (pass) the exam.
2. Will you give him a message if you (find) him on
the way?
3. If I (be) you, I’d go in a bus.
4. She (do) better if she tries hard.
5. Had I known him well, I (trust) him.
6. They would have invited me if they (know) I was
here.
7. If I were a teacher, I (teach) children in an
effective manner.
8. If it (snow), we’ll go skiing.
9. If you (not study) hard, you’ll fail the exam.
10. If she (phone) me, I would have gone.

4. ‘If’ Clause- Present
Simple +
Main Clause- Present
Simple
‘If’ Clause- Present
Simple +
Main Clause- Future
Simple
‘If’ Clause- Present
Simple +
Main Clause- Imperative
1. If you heat ice,
it melts.
2. If the traffic
lights are red,
drivers stop
their vehicles.
3. If water is
heated, it
changes into
vapour.
1. If you work
hard, you will
succeed.
2. If she arrives in
time, she will
meet the
doctor.
3. If Harish gets a
good result, he
will study
medicine.
1. If you want to
wake up early, set
alarm on your
clock or mobile.
2. If you want to
borrow a book
from the library,
show your library
card.
3. If you are free
during the day,
see me in my
office.