"Could off" as opposed to "could have"
29966
How many legitimate uses of "could of" / "would of" / "should of" are there?
10040
When to use "If I was" vs. "If I were"?
56154
Be it that,were to, and should - what were the differences between these conditionals?
27094
"If he were to do" vs. "if he did"
36058
Conditional sentence without conditional conjunctions, is that possible?
58643
Which is correct: "could care less" or "couldn't care less"?
150288
What's the meaning of 'off' in this context?
41606
May vs can, could or would
99083
"Have had" versus "had"
120497
"Would have been" or "Would be"
71907
"Didn't want to do X until Y happened" vs. "hadn't wanted to do X until Y happened"
77010
'was' versus 'had been'
89201
"had" versus "had had" :if I "had had" money, I would have bought this car
133639
Is either "can" or "could" more polite?
10368
What is the difference between can and could in 'Can/could you please explain this to me?'
24661
"had they known" or "if they had known"
83439
Why is "can I get" replacing "could I have"?