HELP! Преобразуйте следующие предложения в форму множественного числа.
1.This is a child.
2.That isn't a sheep.
3.This is my family.
4.That is a leaf.
5.That isn't an atlas.
6.That lady is our teacher.
7.Is this a man?
8.Is that a teacher?
9.This isn't a mouse.
10.This boy isn't my son.
11.This factory is very big.
12.This is a baby.
13.This map is on the wall.