The can-could tag has no wiki summary.
3
votes
4answers
115 views
Is the structure “can have verb-ed” possible?
I have seen and heard sentences like these:
He could have gone too far.
John can't have eaten all the cake.
But I don't seem to encounter this structure:
She can have done the work.
I ...
0
votes
0answers
10 views
“Could someone please” versus “Can someone please” [duplicate]
Possible Duplicate:
When do I use “can” or “could”?
Is either “can” or “could” more polite?
“Can” vs. “could” in asking a question
“Can I have one apple from your box?” vs “Could I have one ...
1
vote
3answers
590 views
“Can I have one apple from your box?” vs “Could I have one apple from your box?” [duplicate]
Possible Duplicate:
When do I use “can” or “could”?
I was doing some reading on usage of can and could. I understand that can is used when asking for ability, and could for willingness.
I ...
2
votes
2answers
3k views
“Can” vs. “could” in asking a question [duplicate]
Possible Duplicate:
When do I use “can” or “could”?
I am a little bit confused about asking a question:
Can you please tell me my next work?
or
Could you please tell me my next ...
6
votes
4answers
5k views
Is either “can” or “could” more polite? [duplicate]
Possible Duplicate:
When do I use “can” or “could”?
I wonder which of the following is more polite:
Can you please change my email address?
Could you please change my email ...
6
votes
3answers
4k views
When should we use “can”, “could”, “will”, “would”?
Most of the people says I wish I could, I wish you would.
Can't we use I wish I can, I wish you will?
I'd like to know what the main difference between the usage of can/will and could/would is.
21
votes
6answers
16k views
When do I use “can” or “could”?
When should I use can? When should I use could?
What is right under what context?