How might 'could' express a past general potential?

Jan 17, 2020 ... An EpiPen could be used to stop the allergic reaction. Dietitians can help patients remove the problematic gluten from their diet. Both can and could (and other modals, especially may and might) are used to express various kinds of possibility, ability, permission and potential. Can or could? That is the question of this Grammar 101 article where we explain the difference between these two commonly misused words. Read on here. Jan 1, 2021 ... “Could” is the past tense of “CAN” sometimes their usages are made in different contexts. Can is used to ask anything in a polite manner or to seek permission. "Can" is generally used for present abilities or possibilities, while "could" is used for past abilities, polite requests, or hypothetical situations. Dec 5, 2021 ... In terms of common US usage and personal intent, the two words are used interchangeably in this case. · “Could” is the past tense of the word “ ... Apr 5, 2017 ... Shall & Should. So “shall” and “should”. “Shall” and “should”. And this also goes with “ought to”, but that's not really used that much at least ... “Could I have your phone number” is better than saying “Can I have your phone number?' See how we differentiate between 'Can' and 'Could'. Jan 18, 2021 ... You don't create backlinks - they are created automatically when you link to a note. Tags are keywords you enter that can be used as search ... Light bleeding could be a sign that you successfully conceived…or it might ... How Can I Tell the Difference between Implantation Bleeding and My Period?