That person (he) is my boss.

She suggested teaching sex education using a dildo.

His job title is a doctor.

He is working as a behind-the-scenes assistant at the theater.

He heard the clattering sound of the machine being hit.

This pattern is very beautiful, isn't it?

There was no trace of him in his room, as if to make one forget that he had been there.

He exercised every day and became young quickly.

He is good at using irregular verbs.

This mutation has changed the function of the gene.