PAST POSSIBILITY
EGP #1229 | B2 | MODALITY / could Can used affirmative 'could' have + '-ed' to talk about past possibility. Lexical range: N/A
他本可以成为一名医生的，但后来选择去读了法律。
He ___could ___have ___become a doctor, but he chose to study law instead.
我们本可以去海边度假的，但机票价格太贵了。
We ___could ___have ___gone to the beach for vacation, but the flights were too expensive.
她本可以在我出发之前告诉我的。
She ___could ___have ___told me before I left.
那场风暴本可能摧毁整座小镇的。
The storm ___could ___have ___destroyed the entire town.
他们本可以按时完成项目的，但中途出现了技术故障。
They ___could ___have ___finished the project on time, but a technical issue came up.