have 为助动词时， could have 的常用口语形式

I could've gone to the party, but I decided to stay home and rest.
我本可以去参加派对的，但我决定留在家里休息。
She could've been a doctor if she had studied harder in college.
如果她在大学里更努力学习的话，她本可以成为一名医生。
He could've finished his homework on time, but he procrastinated until the last minute.
他本可以按时完成作业的，但他一直拖延到最后一刻。
We could've taken a taxi instead of walking all the way back to our hotel.
我们本可以打车回酒店，而不是一路走回来。
They could've won the game if they had played better defense.
如果他们的防守更好一些，他们本来是可以赢得比赛的。
I could've eaten something healthier for lunch, but I opted for a burger instead.
午餐时我本可以吃些更健康的东西，但我还是选择了汉堡。
She could've told me about her plans earlier, so I could have helped her prepare.
她本可以早点告诉我她的计划，这样我可以帮她准备一下。
He could've apologized for being late, but he just ignored us and walked away.
他本可以说声对不起，因为他迟到了，但他只是不理我们然后走了。
We could've gone to the beach yesterday, but it rained all day long.
我们本可以昨天去海滩的，但是下了一整天的雨。
They could've asked for help when they were in trouble, but they tried to handle everything themselves.
他们在遇到困难时本可以寻求帮助的，但他们试图自己处理所有的事情。