Category: General
What is the difference between can and could?
Concise Direct Answer
The difference between "can" and "could" is primarily about politeness and tense. "Can" expresses present ability or informal permission. "Could" is used as the past tense of "can," or to formulate polite requests. Understanding these structural guidelines helps you select the correct register and communicate your intentions clearly during daily English interactions.
Detailed Explanation & Context
"Can" represents present ability or informal request. "Could" serves as the past tense of "can" and also represents a more polite, formal request register. Differentiating these is crucial for adapting tone.