How might 'could' express a past ability that was tested?

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 ... Can, could, and be able to are all used to talk about a person's ability to do something. You use can or be able to to talk about ability in the present. Be ... May 9, 2023 ... Do you use “can” and “could” correctly in English? Join me and learn how to use these two important modal verbs, in terms of grammar, ... 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 ... Both can and could (and other modals, especially may and might) are used to express various kinds of possibility, ability, permission and potential. Could anyone share what the difference is between Inference question type and MBT question type on 7sage? And can anyone share in regards to whether doing ... Jan 14, 2013 ... The first of these looks more like a statement of ability or possibility than the three that follow. But in what ways does it differ from the others? May 24, 2017 ... Please can you suggest which one is better to do the above experiment either F28379 Launch pad or Control card with docking station. Thanks in ... 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. 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 ...