I didn't study for the test, so I got 0 on it
You should have studied more
Someone burgled my house while I was on holiday..
You should have.../you shouldn't have...
I missed my flight on Friday as I was stuck in traffic..
You should have left the house earlier.
I forgot to use sunscreen lotion, now my whole body is sun burned
You should have used sunscreen lotion
I forgot my passport at home, now I can't travel
You should have remembered to take your passport
I failed my exam as I didn't do my homework regulary..
You should have studied harder..
I didn't buy food, now I'm hungry
You should have eaten something
He forgot to pay his credit card, now he's in debt
He should have paid
I had bad dreams last night after watching a horror film..
You shouldn't have watched horror films before going to bed.
In 1999 Yahoo refused to buy google for $1 million dollars
Yahoo should have bought / Yahoo shouldn't have refused
I broke my arm playing basketball
You shouldn't have played