I knew, deep down inside, that I was in love with him.
He knew it was time to say goodbye.
Example sentence - He tried to convince me that her faults were a weakness but I knew better.
Example sentence - She knew she could sustain her resolve to see it through.
We knew he would clinch his hands when the winners were announced.
Example sentence - I knew I should do my homework myself instead of cheating by using websites.
Example sentence - It was not fair of her to use perfume when she knew it would cause an asthma attack to her father.
She knew the answer to the question before it was asked.
When he guessed at the answer in class, he knew that his guess was unfounded, because he had not finished his homework.
When they found the carcass in the desert they knew right away it was that of a prairie dog.
she wanted to broach him about it but knew it was a taboo subject on account of it upsetting him so much
We knew from the aroma of fresh basil and garlic in the kitchen that Grandma was making her delicious lasagna.
The bully looked at me with a sinister intent; I just knew he was coming after my lunch money.