What is the difference between "People can want different things" and "In the past, people could only dream of such luxuries"?

Dec 31, 2022 ... Can is always be used in the present tense whereas could is always be used in the past tense. In short could is the past form of can. Mar 12, 2010 ... “Can you” is the most casual, “could you” is more polite and “would you” is the most formal and polite. Feb 11, 2019 ... Learn the difference between CAN and COULD in English grammar. Discover how to properly use these modal verbs for giving advice and making ... Difference between CAN and COULD ; 3. Can is used to refer to the present and the future. Could can be used in all the tenses: present, past, and future ; 4. CAN ... 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 ... 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 ... Oct 14, 2023 ... Can is for present or future. I can ride a bike. Can you give me a ride later? Could is for past. I could ride a bike when I was 5 years old. 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" is generally used for present abilities or possibilities, while "could" is used for past abilities, polite requests, or hypothetical situations. Mar 6, 2024 ... “Could you help me?” is more polite and formal while “Can you help me?” is more direct and casual.