Ø  Also referred to as adjectival or relative clause.

Ø  An adjective clause must meet such requirements as:

• It contains a subject, and a verb.
• It begins with a relative pronoun (like who, whom, whose, that, or which) or with a relative verb (for example, when, where, or why)
• It functions as an adjective. The adjective in this case answers the questions, ‘Which one?’, ‘How many?’, or ‘What kind?’

(i)                 Relative pronoun/adverb + subject + verb, for example,

• Whose bag    was stolen.

_{relative          subject     verbs}

_pronoun

• Why Kim cannot stand that smell.

_{relative    subject  verbs}

_adverb

(ii)               Relative pronoun (which is the subject)+ verb, for example,

• Who  jumped    over the fence.

_{relative pronoun verb}

_(subject)

Ø  In a sentence, we can have something like,

• Juma is the boy whose bag was stolen.
• He is allergic to bad smell is one reason why Kim cannot stand that smell.

Ø  Before you decide to use a comma, you have to decide whether the clause is essential or nonessential.

Ø  Essential ones require commas while the others do not.

Ø   The first example has an nonessential clause, while the second, a n essential clause.

• Transline Galaxy, which people don’t like, is often fast.
• The new boy who everyone likes is my favourite student.