How to use "occasions" in a sentence

They say this is premeditated murder because for half an hour Miss Lee looked for Mr Dawson; they also say she made her intention clear on three different occasions

On four or five occasions during the past two weeks, she had taken the pistol from the nightstand and searched the place, room by room, but she hadn't found anyone

As she stared at the contents of the musky closet - the boy's shoes, his jeans, dress slacks, shirts, sweaters, his blue Dodgers' baseball cap, the small blue suit he had worn on special occasions - a lump rose in her throat

They cheered one another on those rare occasions when one of them hit a really large jackpot; and when one of them died, the others went to the funeral en masse

Tina kept a well-stocked bar in one corner of her office for those infrequent occasions when a business associate needed a drink after a long work session

More shocking still to the sensibilities of patrician Easterners like them: on three occasions, in South America, Alexander had been in a position where it had been necessary for him to pull the assassin's trigger himself