This is an engineer. these are workers. this is my mother. those are my aunts. this .. is four. these go to school. the baby has got only one . my dog's are white and big. ( tooth, women, child, men, woman, chil-dren, teeth, man)

This man is an engineer. These men are workers. This woman is my mother. Those women are my aunts. This child is four. These children go to school. The baby has got only one tooth. My dog's teeth are white and big.