Помогите пожалуйста 3 класс

These are Mr Browns children.
These are his geese.
These are our snowmen.
These are grey mice.
These are my books.
These are policeman.
These are your sandwiches.
This is Mr Browns child.
This is his goose.
This is  our snowman.
This is a mouse.
This is my book.
This is a policeman.
This is your sandwich.

This is your sandwich
            his goose
            a grey mouse
            our snowman
            my book
            a policeman
            Mr Brown's child
К These are остальные)