Preposition

At - di
On - diatas
Above - dibawah
Among - dikalangan
Behind - dibelakang
Beside - disebelah
Between - diantara
Inside - didalam
In front of - dihadapan
Under/below - dibawah
Opposite - bertentangan

Menanya dengan preposition

What is on the chair ?
Who is beside ahmad ?
Whose pen is under the bed ?

Menjawab

There is a pen on the chair
Jazlan is beside ahmad
Abu's pen is under the bed