读音

/cʊd/

释义

• 情态动词: 过去式和过去分词形式 of “can”, 表示过去的能力或可能性。例如: “I could run fast when I was young.”
• 助动词: 用于构成疑问句和否定句，表示许可、请求或建议。例如: “Could you pass me the salt?"，“I couldn’t agree more.”

短语

• “Could have done” 表示过去可能做但未做的事情。例如: “I could have won the race if I hadn’t tripped.”
• “Could you please…” 用于礼貌地提出请求。例如: “Could you please turn down the music?”

例句

• 情态动词: “Back then, I could solve complex math problems effortlessly.”
• 助动词: “Could we discuss this later?”

同义词

• Might (for past possibility)
• Would (for polite requests)