In statements, we use "can't" for present tense, and "couldn't" for past tense . Examples, "I can't help you right now." "He can't come to the phone." "We couldn't finish all the food." "She couldn't find the stapler." So, "can't" is used to refer to impossible things in the present.
30 окт. 2014 г. · The word "can't" refers to a definite impossibility in the present tense. However, the word "couldn't" refers to a impossibility in the past. Is there any difference between 'cannot' and 'could not' when ... Is there a difference between "can't" or "couldn't"? word choice - "could not" or "did not"? Другие результаты с сайта ell.stackexchange.com |
19 июл. 2019 г. · “Couldn't” is a shortened/contracted form of “could not” that is used in informal English. Again “can't “is a shortened/contracted form of “cannot” What is the difference between 'couldn't' and 'can't', or ... - Quora When is it grammatically correct to write 'can not', and ... - Quora What is the difference between “couldn't” and “didn't”? - Quora Другие результаты с сайта www.quora.com |
Videolar 3 апр. 2017 г. · In your sentence, "could" is not the past tense of "can". If it were the past tense, "could not function" would mean "was not able to function". |
7 мар. 2016 г. · "can't have" is being used to denote disbelief or incredulity, while "couldn't have" is being used to denote an impossibility. |
The only difference between them is that the closed form, cannot, is much more common. I smell pie but I cannot see any pie. |
Cannot vs. Can Not vs. Can't—What's the Difference? · Can't is a contraction of cannot, and it's best suited for informal writing. · In formal writing and where ... |
23 сент. 2024 г. · Cannot (one word) is the negative form of the modal verb “can.” Spelling it as “can not” (two words) is incorrect. |
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