In the lift: "Have you noticed anything suspicious about the place to-night?"

Never had he noticed anything suspicious and he was convinced that today's search would also prove to be fruitless.

If you notice anything suspicious, fire at once.

"We shared the same office for a year, and I never noticed anything suspicious," he said.

"I guess Dr. Wood would have noticed anything suspicious about the hand, anyway, don't you think?"

They had given her a number to call in case she noticed anything suspicious.

She had noticed nothing suspicious during the flight over.

He had never seen the deceased and had noticed nothing suspicious during the journey.

Occasionally they would see a woman and child leave the building, but they said they had noticed nothing suspicious.

I was wondering if you'd noticed anything suspicious recently?