Is "could" interchangeable with "can"?
5960
What is the difference between 'can', 'could', 'may' and 'might'?
43795
“It can be very cold…” vs “It may be very cold…”
141279
Is there a difference between  and ?
59295
"May I have a glass of water" vs. "Can I have a glass of water": which is better, "may I" or "can I", when asking for something?
15180
Use of "would be" vs. "is"
133523
Grammatical complements for "allow"
59596
What does "can be said to do / to be" something mean?
56608
Could possibility or hypothetical
7975
"You just can't" vs. "you can't just "
79398
How should I distinguish between "can" & "can't" in American English pronunciation?
83439
Why is "can I get" replacing "could I have"?
12340
Is "can not" unambiguous?
115507
Do serious grammarians endorse the "Can I"/"May I" distinction?
95900
How to use "any of"
2697
Can vs. Could in the reply "It can/could be in the car"
62938
"Not able to" vs. "unable to"
69597
Is “might could” a correct construct?