3rd conditional
If I _____ (know) it was your birthday, I ______ (buy) you a present.
had know / would have bought
If he _____ (not try) to hide from the police, he _____ (not get) stuck in the bin.
hadn't tried / wouldn't have got
If he ______ (have) a van, he ______ (have) to transport the wheelbarrow on his head.
had had / wouldn't have had