Simple Preposition

1 at He knocked at the door.
2 as He spoke as a lawyer.
3 by He came to school by Bus.
4 for I have lived in Chennai for a long time.
5 from I am from Tamilnadu.
6 in I live in Chennai.
7 of He is son of Mr. Kumar.
8 off Please switch off the light.
9 on He put the books on the table.
10 out He came out from the college.
11 over The Fan hangs over my head.
12 till Please wait till I come from office.
13 to I went to market.
14 up You come up six P.M.
15 with I will come to function with my parents.
16 down I kept my shoe down the table.