It's possible that Mary Anne broke the law when she entered the abandoned house. MARY ANNE...
Mary Anne might/may have broken the law when she entered the abandoned house.
It was wrong of you to shout to that homeless. YOU...
You shouldn't have shouted to that homeless.
It was wrong of George to get involved in the fight. GEORGE...
George shouldn't have got involved in the fight.
It wasn't necessary to go to the immigration office. They already had my record. I...
I needn't have gone to the immigration office. They already had my record.
It was not necessary for Henry to pay those taxes. His wife had already paid for them. HENRY...
Henry needn't have paid those taxes. His wife had already paid for them.
It's possible that Winston volunteered in the animal shelter, but I'm not sure. WINSTON...
Winston may/might have volunteered in the animal shelter, but I'm not sure.
I'm sure that she didn't feel any sympathy for him. SHE...
She can't have felt any sympathy for him.
I'm certain that the man committed a crime. THE MAN...
The man must have committed a crime.
I'm sure that the government took steps to end the poverty problem in the city. THE GOVERNMENT...
The government must have taken steps to end the poverty problem in the city.
I'm sure that the teacher rounded up the kids. THE TEACHER...
The teacher must have rounded up the kids.
Jeremy wanted to be the spokesperson of the meeting, but in the end they chose John. JEREMY...
Jeremy would have been the spokesperson of the meeting, but in the end they chose John.
Kate was able to raise money for the neighborhood, but she decided not to. KATE...
Kate could have raised money for the neighborhood, but she decided not to.
Anthony was going to take part in the celebration, but sadly he had to work. ANTHONY...
Anthony would have taken part in the celebration, but sadly he had to work.
The major wanted to pass a law against drugs, but eventually he decided not to pass it. THE MAJOR...
The major could have passed a law against drugs, but eventually he decided not to pass it.
Perhaps your dad went to the demonstration. YOUR DAD...
Your dad might/may have gone to the demonstration.
Maybe he was ill on Tuesday. HE...
He might/may have been ill on Tuesday.
