this这(所指人或物理说话人近)that那(所指人或物理说话人远).如:
This is a pen.这是一支钢笔.
That is a pencil.那时一支铅笔.
these这些(this的复数形式),those那些(that的复数形式).如:
These are sheep.这些是绵羊.
Those are goats.那些是山羊.
there那里,相对于here这里,表示地点,here 距离说话人近,there 距离说话人远.如:
Here is your bag./Your bag is here.你的书包在这里.
There is her bag./Her bag is there.她的书包在那里.