2. Fill the gaps
If I have enough time, I
will arrive to your
birthday dinner.
3. I will come to your birthday dinner if I have
enough time.
If I had enough time, I would come to your
birthday dinner.
I would have come to your birthday
dinner, if I had enough time..
Some common possibilities
6. Structures
A real situation in future use:
If + present tense
Use will or might or can - result part.
An unreal situation in future use:
If + past simple
Use would - result part.
An unreal situation in past use:
If + past perfect
Use would have in result part