She "was sure" that she had left her keys on the table, but they weren't there when she checked again.
was positive
doubted
guessed
The detective "suspected" foul play due to the inconsistencies in the witness's statements.
was certain
assumed
had a hunch
I "was certain" that I had locked the door before leaving the house, but I found it unlocked upon returning.
guessed
was sure
knew for a fact
After assessing the situation, she "figured" that taking a different approach might solve the problem more effectively.
doubt
suspected
was sure
He "was sure" he had left his phone on the kitchen counter, but after searching, he found it in his jacket pocket.
was certain
had a hunch
supposed
I "had a hunch" that the team would win the game, and indeed, they emerged victorious with a remarkable performance.
guessed
doubted
was positive
She "had to" attend the meeting despite feeling unwell.
she had no choice
it was a good idea
it was necessary
We "were supposed to" leave for the airport at 9 AM.
it wasn't required, but we did it.
it was a good idea, but we didn't do it.
it was required but we didn't do it
I "wasn't supposed to" reveal the surprise party plans.
it wasn't allowed, but I did it.
it was necessary and I did it.
it was allowed, but I didn't do it.
I "should have" double-checked the train schedule before heading to the station.
it was a good idea, but I didn't do it.
it wasn't a good idea, but I did it.
it was required but I didn't do it.
She "shouldn't have" eaten so much dessert before the long car ride.
it was a good idea, but she didn't do it.
it wasn't a good idea, but she did it.
it wasn't allowed, but she did it.
He "needed to" submit the report by noon.
it was necessary.
it was unnecessary.
he had no choice.
She "didn't need to" bring an umbrella.
it was unnecessary.
it was necessary.
it was a good idea.
She "didn't have to" attend the meeting.
it was necessary.
she had complete choice in the matter.
it was a good idea.
