Conditional Sentences
Zero conditional
Use
Scientific laws
Universal facts
Talking about routines
Situation
Expressing general truths in the present.
Clauses
Condition
Real condition
Main
Inevitable result
Auxiliaries
Do
I
You
We
They
Does
It
She
He
Grammar structure
If/ when + Subject+ Present verb,+ Subject+present verb.
Tenses
Present simple
Examples
When they go to the mark, they shop around .
What do you do if your brother gets sad?
If I dont want to wash the dishes , my mother gets angry.
When my brother want to see a scary movie, he goes to the cinema with his friends.
If you see Darla, Tell her to give me a call.
First conditional
Use
Posibilities based on a present situation
Future consequences
Promises and Warnings
Clauses
Cause
Possible future conditon
Effect
Probably result
Tenses
Present simple
Future
Situation
Future possibilities
Grammar structure
If+ Subject+ Present verb , + Subject+ Will (or modal verbs: can,should, may, might, must) +base verb
Auxiliaries
Will
It
She
He
I
You
We
They
Do
I
You
We
They
Does
It
She
He
Examples
if I don´t understand something, I will ask for help
if they don't come back, I'll be very sad
Where will they go if they want to catch them? If they want to catch them they will go too far .
If I want Mexican food to eat, I'll make quesadillas at night
If there is sun today, I will be in the pool all day