should've
uk/ˈʃʊd.əv/us/ˈʃʊd.əv/short form of should have:
You should've come to the party last night, Manya.
More examples
- You should've seen Charlie dancing!
- I should've got there earlier.
- You should've locked the door.
- You should've seen Katy's face when the announcement was made!
- I should've bought more milk.