He was working on that project round the clock.

Due to his somnambulism, he may walk around unconsciously in the middle of the night.

He is working round the clock.

Fundamental knowledge of mathematics is necessary to solve advanced problems.

His behavior was very comedic.

This summer was record-breaking heat.

His way of thinking is very philosophical.

He accidentally held her hand.

Fundamental knowledge of mathematics is necessary for daily life.

He is active as a member of the House of Lords.