How might 'could' express a past understanding of social customs?

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 ... Aug 26, 2022 ... The verb can is an auxiliary (helping) verb that is often used alongside other verbs to express ability, possibility, or permission (in the case ... 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 ... Mar 13, 2019 ... These folders show the green tick icon. Online Only: This means that the files are stored online, in the cloud, yet can be accessed at any point ... Dec 3, 2018 ... With kidney stones, the pain won't disappear when you move, and changing positions usually makes no difference. ... with a stone can be dangerous. 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 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, ... between different vertebrate species. Most animal models are utilized for the purpose of generating results that can be extrapolated to human diseases. For ... Feb 13, 2013 ... "Can" is a rude way to ask, it's like giving a command. "Could" is a polite way to ask, it's like a requesting. “Could” vs. “Can” · Can is used when referring to something with a strong possibility or occurring, whereas could is used to refer to something that has a weak ...