Conditionals
If, when, in case, suppose, provided (that), unless.
Type
|
If-clause
|
Main clause
|
Time reference
|
1
|
If + Present Simple/Present Continuous/ Present Prefect
|
will + V
Modal + V
|
real
future
|
2
|
If + Past Simple/Past Continuous
|
would
could + V
might
|
unreal
future or
present
|
3
|
If + Past Prefect/Past Perfect Continuous
|
would
could + have + V3
might
|
unreal past
|
In case I don’t find her at home I will leave her a note.
If he is working on Friday, he won’t be able to go with us.
If you have finished your work, we can go for a walk together.
If I were you, I wouldn’t trust him any more. were – для всех лиц (advice)
If I lived on my own, I could do what I wanted.
Suppose she wrote to you, would you answer?