He missed the bus and was late for the interview. He didn't get the job. (Express regret.)
If he hadn't missed the bus and been late, he would/might have got the job.
I didn't catch the plane. The plane crashed killing everyone :-( (Express relief.)
If I'd caught the plane I would have died in the plane crash.
Julia got detention so she missed Kha's party.
If Julia hadn't got detention, she wouldn't have missed Kha's party.
"If I hadn't gone to that wedding, I wouldn't have met my future wife." Did she go to the wedding? Is she married now?
Yes and Yes. Does this express relief or regret?
If the students ______________ (bribe) the teacher, he ______________ (give) them good marks.
had bribed / would have given
What / happen / covid vaccine / not be invented?
What would've happened if the covid vaccine hadn't not be invented?
Khang passed the exam so his parents didn't kill him. (Express relief.)
If Khang had failed the exam, his parents would have killed him.
If Dung _____________ (hear) the joke, he might have laughed.
had heard
I didn't win the lottery so I couldn't buy a dog sanctuary.
If I'd won the lottery I could've bought a dog sanctuary.
I had a hangover because I drank too much beer. (Express regret)
If I hadn't drunk so much beer I wouldn't have gotten a hangover.
Nhu robbed the bank so she could afford to go to France.
If Nhu hadn't robbed the bank she couldn't have gone to France!