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8 votes
4 answers
96k views

"Can have" vs. "could have"

One often hears primarily people from the UK using the phrase can have in certain past tenses. What exactly is the difference between using could have and can have? I used to believe that can turns ...
Swizec Teller's user avatar
59 votes
6 answers
189k views

When do I use "can" or "could"?

When should I use can? When should I use could? What is right under what context?
Ramprasad Prabhakar's user avatar