Clauses

A clause is a group of words that contains a subject and a predicate (verb). It forms either a complete sentence or a part of a sentence. The division of clauses into independent (principal) and dependent (subordinate) is the foundation of sentence structure analysis.

An independent clause expresses a complete thought and can stand alone as a simple sentence (e.g., 'The sun rose'). A dependent clause does not express a complete thought and cannot stand alone; it must be attached to an independent clause to make sense (e.g., 'because it was early'). Dependent clauses are classified into three types based on their function in a sentence: noun clauses (acting as nouns), adjective or relative clauses (modifying nouns), and adverbial clauses (modifying verbs, adjectives, or adverbs by showing time, reason, condition, concession, or purpose).

According to CBSE board grammar syllabus and the Cambridge Advanced English curriculum, distinguishing between different subordinate clauses is a key language skill. Relative clauses require proper relative pronoun selection and punctuation (restrictive vs. non-restrictive). Adverbial clauses require correct subordinating conjunctions to express precise logical relationships. Editing tasks in exams frequently target errors in clause combination and fragments.