How to use "grinned" in a sentence

Closing her eyes now, chewing the toast, Tina could still see him - three years old, peanut butter smeared all over his lips and chin - as he grinned and said, More neenut putter toast, please.

Michael grinned and winked at Tina.

Angela grinned

Elliot grinned

Kennebeck grinned

He grinned