They have/had twin sisters.
have
My dad cook/cooks dinner at night.
cooks
The girls play/plays together.
play
The girl pet/pets the kitten.
pets
The bird sing/sings in the morning.
sings
I was/were going to go to the school.
was
The man is/are singing.
is
The dogs is/are clapping
are
The kids sing/sings in choir.
sing
The elephant is/are jumping.
is
They do/does their chores every Saturday morning.
do
The kids ride/rides their bike.
ride
The boy has/have a friend.
has
The boy kick/kicks his foot.
kicks
The man like/likes ice cream.
likes
The boy run/runs very fast.
runs
The boy has/have math homework.
has
The dog sleep/sleeps all day
sleeps
She was/were crossing the street.
was
The woman is/are strong.
is
My brother work/works in the office.
works
Your dog bark/barks all night.
barks
He had/have a great time at the party.
had
Cookie Monster has/have cookies.
has
Your puppy is/are so cute.
is
Michelle Obama is/are dancing.
is