2. Definition:
 The conditional tense says that an action
is reliant on something else. The
conditionals are used to talk about real or
unreal situations, they are sometimes
called if-clauses. Real Conditional
describes real-life situations. Unreal
Conditional describes unreal, imaginary
situations.

3. ZERO CONDITIONAL
• FORM:
IF + PRESENT SIMPLE, subject+ PRESENT SIMPLE
• USE:
FOR FACTS THAT ARE GENERALLY TRUE.
• EXAMPLE:
If you heat water to 100 degrees celsius , it boils.

4. FIRST CONDITIONAL:
• FORM:
IF + PRESENT, subject + Will + infinitive
• USE:
To talk about situations that are possible or likely to happen.
• Example:
If she finishes her homework, she will go to the cinema.

5. SECOND CONDITIONAL
• FORM:
IF + PAST SIMPLE, + WOULD + INFINITIVE
• USE:
To talk about situations which are imaginary or unlikely to
happen.
• EXAMPLE:
If I met Brad Pitt, I would ask him for his autograph.

6. THIRD CONDITIONAL
• FORM:
IF + HAD+ PAST PARTICIPLE, WOULD HAVE + PAST PARTICIPLE
• USE:
To talk about imaginary or hypothetical situations in the past.
• EXAMPLE:
If she had got up earlier, she wouldn‟t have missed the train.

7. Conditionals without “if”
Unless = if … not Unless you put on some
suncream, you will get
sunburnt.
As long as / Providing / As long as you clear your desk
Provided that by this evening, you can have
tomorrow off.
Suppose / Supposing = if Suppose you won a lot of
money, what would you do?
Whether … or not = if … or not Whether I feel well or not on
Monday, I‟m going back to
work.

8. Exercises:
Complete the sentences using the correct form of the
verbs in brackets:
1. I …… (wear) some warm clothes today, if I were
you. It‟s quite cold outside.
2. You …… (not have) the accident if you‟d been
more careful.
3. If I …. (have) enough money, I would buy a new
car.
4. If you …. (wait) for a few minutes. I „ll come into
town with you.
5. I would have told you if I ….. (know).

9. 6. People …. (like) Robert more if he didn‟t always talk
about himself.
7. I …. (speak) to my boss about my holidays today if I get
the chance.
8. If he …. (make) a promise, he always keeps it.
9. I‟d go to the cinema more often if it ….. (not be) so
expensive.
10. I …….. (not leave) my last job if the wages had been
better.
11. He always ….. ( get) angry if you talk to him about
politics.
12. If you go out without a coat, you …. (catch) a cold.
13. If you ….. (ask) me, I would have helped you.
14. What …. (you / do) if you saw someone drowning in
the sea?
15. I‟ll go out this evening if I ….. (not be) too busy.