The boys ask/asks a question.
ask
The cows walk/walks to the barn.
walk
The dog growls/growl when he is hungry.
growls
Steven and his brothers (plays, play) in every baseball game.
play
Angel and Brandon talk/talks every night on the phone.
talk
Mr. Jones know/knows how to swim.
knows
The children. Plural or singular?
Plural Collective Noun - more than one
Karson hike or hikes.......
Karson hikes...
Dr. Taylor drive/drives to school.
drives
The child combs/comb his hair.
combs
Noah eat/eats lunch.
eats
Leah, Mia, and Abbie watch/watches cartoons.
watch
Luis add/adds up the numbers.
adds
Rory and Erick read/reads over the weekend.
read
The children comb/combs their hair.
comb
Jaelly wears/wear blue nail polish.
wears
Oleksy play/plays video games.
plays
Mr. Grady and his wife like/likes to eat pumpkin bread.
like