I like this/that/these/those apple.
I like this apple.
This/that/these/those are frogs.
These are frogs.
This/that/these/those are bags.
Those are bags.
How many pencils are there on the desk ?
There are two pencils.
This/that/these/those are three apples.
These are three apples.
This/that/these/those is my house.
That is my house.
This/that/these/those are two pears.
Those are two pears.
How many dogs are there in the box ?
There is one dog in the box.