What is the difference between "We can understand how evolution works" and "Early scientists could only speculate about the origins of the universe"?

Dec 8, 2014 ... Blender has 8 different types of exporting file options. Now, I only use Blender. I understand that you can export files to Maya and 3Ds Max. Just remember that could is used to talk about something that can happen, would is used to talk about something that will happen in an imagined situation, and ... Aug 11, 2002 ... Calvin Trillin writes about a test designed to determine whether wine drinkers can tell the difference between red and white only by taste ... 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 “ ... As the page says, can is used for general statements about possibility while could is more specific. In your examples, the first sentence is a general statement ... "Can" is generally used for present abilities or possibilities, while "could" is used for past abilities, polite requests, or hypothetical situations. 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, ... 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 ... Both 'can' and ' could' are modal verbs that refer to 'a possibility', 'ability' or 'capacity'. Primary difference, 'Can' refers to a general truth or something ... Sep 17, 2022 ... As a college professor now, I can tell you that my students leave my classroom with much greater tools to do good in the world than when they ...