How might 'could' express a past understanding of natural laws?

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 ... Dec 17, 2020 ... In checkmate, the king is in check and can't escape. In stalemate, the king isn't in check and the player has no legal moves. “Can” and “able to” are the same in the present tense: Yes, I can take on this project. Yes, I'm able to take on this project. Apr 21, 2023 ... The English language can be sometimes confusing. One specific topic that may be confusing is knowing the difference between "would" and ... Both can and could (and other modals, especially may and might) are used to express various kinds of possibility, ability, permission and potential. Oct 14, 2012 ... 'Can' essentially indicates ability. Usually it's used for general ability, although nowadays more and more people also use it to indicate permission. Feb 11, 2019 ... Learn the difference between CAN and COULD in English grammar. Discover how to properly use these modal verbs for giving advice and making ... Jul 24, 2023 ... "Could" is a bit more polite. It implies that the decision to pass the salt is up to you. Can is just fine - it's not rude or anything. 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 ... Aug 15, 2023 ... Wearing a life jacket can help limit fatalities as U.S. Army Corps of Engineer (USACE) data shows that 89 percent of drowning victims are not ...