The sharks eat-eats smaller fish.
eat
Singular form of play
Plays
I walks-walk to loose weight.
walk
He washes-wash clothes on Sundays.
washes
Susan and Allan studies-study for the Math test
study
Tim reads-read newspaper.
reads
We runs-run to the finish line.
run
They drives-drive to church .
drive
She cooks-cook everyday.
cooks
Singular form of study
Studies