How might 'could' express a past general possibility within limitations?

Dec 29, 2021 ... "The original test could detect the presence of SARS-CoV-2 with very high specificity," – meaning the test does its job very well. A PCR ... 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. Sep 3, 2021 ... “It can be hard to tell the difference between food poisoning and a stomach virus,” she admits. “If you've just been to an event where food ... Oct 18, 2012 ... If ping can't find a given name in the DNS, then it returns Could not find host . Alright, so we have an IP address, what now? Now we have to ... In this blog post, you'll learn the usage of the modal verbs can and could and understand the difference between them. These auxiliary verbs are essential ... Apr 20, 2021 ... “Would you” is correct, because you are asking if someone will do something and not if they can do it. “Would you” also sounds more polite than ... 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 20, 2022 ... There is no difference in meaning between “can you please” and “could you please”. Actually, sentences that begin with 'could', 'should', or ' ... 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. Feb 22, 2022 ... We show that a bounded drift diffusion model (DDM) can explain both effects with variable parameters: trial-to-trial variability in the starting ...