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1
vote
1answer
72 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 ...
4
votes
3answers
150 views

If only you could see what I have seen with your eyes

I watch film science fiction The Blade Runer and man says this sentence. he is holding eye in his hand. I see in in a subtitle but I am not understanding this meaning. Can my friends in a Language and ...
1
vote
2answers
43 views

Past or present to explain an active state in a past sentence

So, I have a sentence, more or less like this: "Gil, who HAS a psychokinesis ability, studied math yesterday." or "Gil, who CAN move things without touching them, studied math ...
3
votes
2answers
261 views

Are “should've”, “could've”, etc. valid short forms of “should have”, “could have”?

This is interesting - if I write "should've" (for "should have"), my spell checker underlines the word. Same happens if I do "could've" (for "could have"). I use these forms but I'm starting to ...
0
votes
1answer
1k views

Meaning of the phrase “I could tell” [closed]

Context: I was so happy I felt tears starting in my eyes, and then she up and hugged me. I think she could tell.
3
votes
3answers
867 views

Is it incorrect to say “If you could”?

I tend to use the following construction often in my e-mails: It would be great if you could... However my German colleague repeatedly reminds me that according to the rules he was taught, using ...
4
votes
4answers
956 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
782 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
9k 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
9k 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
11k 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.
31
votes
6answers
44k views

When do I use “can” or “could”?

When should I use can? When should I use could? What is right under what context?