1. Conditional Clauses
if…

2. What are they?
“If I win the lottery, I’ll travel the world”
“I’ll travel the world if I win the lottery.”
Conditional Clauses are subordinate adverbial clauses that state a condition on the main clause.
They can appear at the beginning or the end of the sentence
If they appear at the beginning they need a comma.

3. There are two parts… reason / condition Main Clause result
They need a condition or a reason to happen…
There are two parts… If
reason / condition ,
Main Clause
result

4. very probable – likely to happen
1st Conditional = Type 1
If Clause
Main Clause If
Present Simple
Future Tense + ,
will / won’t
very probable – likely to happen

5. If I _______ (tell) you a secret, will you promise not to tell anyone?
If he causes any more problems, I ________ (fire) him.
I _________ (give) him a candy if he ________(wash) my car.
The police _________ (arrest) him if they ______ (catch) him.
tell
will fire
will give
washes
will arrest
catch

6. unprobable – likely not to happen (wish)
2nd Conditional = Type 2
If Clause
Main Clause If
Past Simple
would + infinitive + ,
unprobable – likely not to happen (wish)

7. If I ______ (know) his address, I would give it to you.
If she ______ (win) a big prize, she _________ (give) up her job.
He ___________ (look) a lot better if he _______ (shave) more often.
They _________ (buy) him the jacket if they _____ (have) the money.
knew
won
would give
would look
shaved
would buy
had

8. would + Present Perfect
3rd Conditional = Type 3
If Clause
Main Clause If
Past Perfect
would + Present Perfect + ,
had + Past Participle
have+ Past Participle
- ed = Regular verbs
3rd column = irregular verbs
Probability ZERO – will never happen

9. If I ______________ (pass) my driving test last month, I would've bought a car straight away.
If he _______________ (complain) in the shop, they _________________ (give) him a discount.
The job ________________ (be) done much faster if there ____________ (be) more people helping.
I ____________________(not/start) the job if I _________ (know) it was going to take so long.
had passed
had complained
would have given
would have been
had been
would not have started
had known

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