Could have done sth
本来能够,本可以
🧩 词语组成解析
could
[kəd]
aux. “can”的过去式;能够，打算;用于假设语气的条件句;用于虚拟语气的结论句;
have
[hæv]
aux. 用以构成完成式及完成式的不定式，表示已经…;
vt. 有，具有;拿，取得;从事;必须，不得不;
n. 〈口〉有产者，有钱人;富国;〈英俚〉欺骗，诈骗;
have=possess持有 → 有
done
[dʌn]
adj. 已完成的;煮熟的;合乎礼仪的;合乎规矩的;
int. （表示接受建议）;
v. 做( do的过去分词);干;
[医] 生长激素
🗣️ 情景例句
Would you kindly hold these keys, please?
请帮我拿一下钥匙。
Coming events cast their shadows before them.
山雨欲来风满楼。
I think that the doctor had better see you.
我想最好请医生来给你看一下。