В множественном числе нужно написать home .sofa. tlag. lamp .plane. car

Home homes.

Sofa sofas.

Flag flags.

Lamp lamps.

Plane planes.

Car cars.

Phone phones.

Ball balls.

Bear bears.

Chair chairs.

Train trains.

Ship ships.

Doll dolls.

Monkey monkeys.

We form plural with the help of the suffix s or es. We use es when nouns are ended in s, ss, sh, ch, x, o. A bus buses, a box boxes.

When nouns ends in f or fe we change f into v + es.

A knife knives.

A leaf leaves.

When Y is after a consonant Y is changed into I + es.

A city cities.