Tom grunted.

Did you hear that pig grunting?

In the evening I went out on safari again, at night I fell asleep hearing the grunting of the hippos.

He grunted.

He grunted his agreement without looking at me.

What do you expect from a pig but a grunt.

How'd your project go?" "I did all the grunt work, yet my group still managed to get a 'C'."

The pig grunts.

Pigs grunt.

He grunted his thanks.