5. Conditional Sentences
Structure :
A conditional sentence is composed of 2
parts :
If-clause + Main Clause
Example :
If it rains tomorrow, we will not come.
If-clause Main Clause
6. Conditional Sentences
Types :
The order of the two clauses is
flexible, it’s not
important.
But if the if-clause comes first, it
must be followed by
a comma.
If it rains, I’ll stay at home
7. • Zero Conditional:
present simple/present simple
• Water boils if it reaches 100º
• First Conditional:
present simple/ future
• If I study, I’ll pass
Conditional Sentences
8. Zero Conditionals
Tense : Present tense in both clauses
Example
:
If you heat water to 100°C, it boils.
If you pour oil into water, it floats.
Present Tense Present Tense
9. Zero Conditionals
Use :
Talk about universal truth.
If you heat ice, it turns to water
To give commands
If you are tired, go to bed!
10. Zero Conditional
General Truths:
If condition result
If it rains, we get wet.
Scientific Facts:
If condition result
If the water boils, it is not cold
11. Zero Conditional
Things that always happen under certain
Conditions:
If condition result
If I study, I get good marks
12.
13. THE FIRST CONDITIONAL
• If Alice works hard ,she will pass the exam
• If you go to Rome, you might visit the Coliseum
• If you need my help, call me ¡
14. MATCH
• If you use drugs
• If I get bored in class
• If that company fails
• If you get in trouble
• If he loves that girl
• …I will assist my
partners
• … I will punish you
• … he might talk to
her
• … you will be sorry
sooner or later
• … workers will lose
their jobs
15. COMPLETE the sentences
• If you ……..(go) to see this film, you will have a good time
• If she …….(play) sports , she will live longer
• She …….(not be) an architect if she doesn`t go to university
• We ……. ( get) a 7 if we finish the exercises
16. Write sentences
• The weather/be good - go / the beach
• Go/to school on foot - be / late
• Have / money - buy / present
• Do/ homework - find / notebook
• Mum / give $20.000 - wash / windows
17. First Conditionals
Tense :
If-clause ~ Present Tense
Main Clause ~ Future Tense
If I feel sick tomorrow, I will not go to school.
If it rains, the match will be cancelled.
Present Tense Future Tense
18. First Conditionals
Use :
To speak about possible or probable
future events.
If the weather is sunny tomorrow, we will go surfing.
To make promises or warnings
If you forget my birthday, I’ll never speak to you
again.
Unless is used in negative conditionals
Unless we recycle more, we won’t have a better
world.
