............. is a pencil case
This
................. are pencil cases
Those
............ are pictures
These
......... are pencil cases
These
......... are bags
These
.... is a poster.
This
...... is a picture
That
............. are pictures
Those
.............. are computers.
Those
.............. are computers
These
............ is my ruler
This
.............. are new chairs
Those
...................... is a computer
That