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Past Modal verbs
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I'm sure that she didn't feel any sympathy for him.
She can't have felt any sympathy for him.
Oops!
Okay!
The minister was able to fight for the rights of people, but he didn't.
The minister could have fought for the rights of people.
Oops!
Okay!
It was a very big mistake that American citizens elected such a racist president.
American Citizens shouldn't have elected such a racist president.
Oops!
Okay!
It's possible that Mary Anne broke the law when she entered the abandoned house. MARY
Mary Anne might/may have broken the law when she entered the abandoned house.
Oops!
Okay!
It's possible that Winston volunteered in the animal shelter, but I'm not sure.
Winston may/might have volunteered in the animal shelter, but I'm not sure.
Oops!
Okay!
I'm certain that that man committed the crime.
That man must have committed the crime.
Oops!
Okay!
It was wrong of George to get involved in the fight.
George shouldn't have got involved in the fight.
Oops!
Okay!
It was wrong of the teacher not to support the strike.
The teacher should have supported the strike.
Oops!
Okay!
It wasn't necessary to go to the immigration office. They already had my record.
I needn't have gone to the immigration office. They already had my record.
Oops!
Okay!
It was not necessary for Henry to pay those taxes. His wife had already paid for them.
Henry needn't have paid those taxes. His wife had already paid for them.
Oops!
Okay!
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