The usage of "could" and "can" in questions
28323
When do I use "can" or "could"?
94590
Difference between "asked" and "were to ask" in conditional sentences?
35860
Use of would in sentences
105987
"How to [...]?" and "Where to [...]?" Questions that are not questions. Is this defensible?
69597
Is “might could” a correct construct?
5960
What is the difference between 'can', 'could', 'may' and 'might'?
15180
Use of "would be" vs. "is"
33549
"Which" vs. "what" — what's the difference and when should you use one or the other?
139359
Can I use "whether" instead of "if" in this sentence?
141279
Is there a difference between  and ?
7975
"You just can't" vs. "you can't just "
74816
Questions with declarative forms have the same meaning as their interrogative counterparts or not?
133639
Is either "can" or "could" more polite?
25348
Use "does" in front of another verb in a question?
92354
can we use "can", "could", "may" & "might" to ask for suggestions"?
10368
What is the difference between can and could in 'Can/could you please explain this to me?'
41712
"can have done" structure?