What is the difference between "It can happen in theory" and "It could have happened under different circumstances"?

Mar 10, 2025 ... On the spectrum of certainty and politeness, “can” is the most direct, “could” adds a layer of politeness or uncertainty, and “would” is often ... ... between different vertebrate species. Most animal models are utilized for the purpose of generating results that can be extrapolated to human diseases. For ... 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 ... May 26, 2020 ... Drinking and drug use can have a devastating impact on your health, especially when you have trouble controlling your consumption. Drug and ... 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 ... Jul 22, 2021 ... Fitting in is comfortable, belonging is even more comfortable, but it's the in-between that can be scary. ... could have ever done if had still ... Can is straightforward and direct, while could adds a layer of politeness or implies a condition or hypothetical scenario. Also Visit : Prep with Harshita. What ... 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” 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. ... could have a “twindemic” on our hands — an influenza epidemic unfolding ... Since it can be hard for a clinician to distinguish whether a skin rash is ...