Adjective Clause

An adjective clause can be used to combine two sentences
example :
1. blitzzone is a good student
2. He is a moderator in indogamers forum

if we combine the sentences, it will be :
-> blitzzone, who is a moderator in indogamers forum, is a good student.

An adjective clause is used to modify a noun/noun phrase

An adjective clause usually starts with a relative pronoun

Who and whom (Today, i will only explain who and whom)

1. Use Who or That to replace subject (person), EX :
a. blitzzone thanks the people
b. They helped him
-> blitzzone thanks the people who helped him / blitzzone thanks the people that helped him

2. Use Whom to replace hte object (person) The relative pronoun can be omitted
a. mimihitam goes school by car.
b. I punched him.
-> mimihitam whom i punched him goes school by car.


http://www.indogamers.com/f258/all_about_grammar-12501/