https://convoenglish.co/understanding-confusing-english-grammar-could-vs-would/ Learn the difference between could and would in English and how to use each of them to speak fluent English we will cover the differences in how “could” and “would” are used in English. 1. “Could” is used to make polite requests. We use it when we are asking for help, a favor, or permission. Could you come here, please? Could you help me carry these boxes?