How might 'could' be used to describe a past general possibility or truth?

Nov 20, 2024 ... “Can” is used for expressing ability, permission, or possibility in the present tense. “Could” is often the past tense of “can” and is used for the same ... This page will help you learn more about life expectancy, how it impacts you and your neighborhood, and what you can do about it. ... Make a difference in the ... 'Can' is used to represent present condition of the subject, but could is used to reflect a past ability, as could is nothing but a past form of can. 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. Jun 6, 2024 ... “Can” is used to express present ability or possibility, such as in the sentences “I can swim” and “You can reach me by phone.” On the other ... Oct 26, 2023 ... In some cases, 'could' functions as the past tense of 'can', but there are some important usage differences between the two. The modal verb 'can ... Aug 20, 2022 ... There is no difference in meaning between “can you please” and “could you please”. Actually, sentences that begin with 'could', 'should', or ' ... Apr 25, 2023 ... Could is another modal verb that is used in a similar way to can. Could is used to: talk about past ability; talk about past possibility; make ... Apr 18, 2020 ... A significant difference in the pressure recorded in the right and left arms can signal circulatory problems that may lead to stroke, peripheral artery disease, Oct 27, 2021 ... In a business environment, costly issues can arise when the wrong modal verb is used. Take a look at the three sentences below. In each sentence ...