Find the mistake

They promissed not to play loud music that night.

She claimd to know the director personally.

They accused me that I'd stolen the laptop.

She insisted to pay for the meal.

The neighbours threatened with calling the police.

The police wanted to know what had the group pf teenagers been doing on the street.

Ben apologised that he had woken everybody up.

My friend denied to have done anything wrong.

The authorities advised to not drive in the snow.

Ed suggested me to learn to play the guitar.