It's the conditional type 3.
If I had known you were going to the party, I would have gone too (but I did not know and so I did not go).
My father should have helped me with my school fees, but he did not.
Remember these structures.
September 17, 2014
0
3
3
You use a past modal, "have", and a past participle.
You could have helped me!
She should have paid for herself.
They would have come (if we had invited them).
...and so on.
September 17, 2014
0
3
Still haven’t found your answers?
Write down your questions and let the native speakers help you!