Express regret about past actions

Hello my friends 😀, today I will tell you about a situation of regret for past actions of a member of my family. 😓

My brother and his cell phone

A few weeks ago my brother Roberto went to look for a job and they informed him that they would call him in the following days and he should have had his cell phone on but unfortunately his cell phone ran out of battery and it was turned off yesterday when they called him from the job interview. He could have called again to explain the situation but he did not want to insist. Normally, he would have gone to the workplace where he was called from where they might have understood him but he didn't. Now he is sorry because he could have had a new job. 

Bad luck for my brother, right? Let's listen to the advice of others that helps us grow as people.

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Now, I am going to leave you with a vocabulary and examples on the subject that I learned this week in my English course on expressions of regret for past actions:

1. Regrets or judgments: should have + past parciple 
• I should have studied...
• I should have gone...
2. Possibility: may have / migth have 
• I may have been...
• I may have bought
3. Ability: could have + past parciple 
• He could have done 
• I  could have taken 
4. Certainty: would have + past participle 
• You would have gone..
• I would´t have gone.. 
5. Conclusions: must have + past participle 
• She must have spoken...
• I must have come...