1
vote
0answers
10 views

When to Use “Could, Would , Will and Can”? [duplicate]

When to Use "Could, Would , Will and Can"? Could you please send me that email? Would you please send me that email? Will you please send me that email? Can you please send me that email? Please ...
1
vote
1answer
186 views

could and might to talk about future possibility

I have problem with using could in the future possibilities for example: They have the technology, but unless the government makes stricter laws, car companies ____ do it. With which one should I ...
5
votes
4answers
1k 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 ...
1
vote
3answers
807 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 ...
5
votes
2answers
10k 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
10k 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
13k 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.