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Introduction to Clauses
A clause is a group of words that contains a subject and a verb. Clauses can function as complete sentences or parts of larger sentences.
Independent Clause: "She enjoys reading." (This can stand alone as a complete sentence.)
Dependent Clause: "Although she enjoys reading." (This cannot stand alone and needs an independent clause to complete its meaning.)
Characteristics of Clauses
1. Subject and Verb
Every clause must contain both a subject (the person or thing doing the action) and a verb (the action or state of being).
    Examples
  • The cat (subject) sleeps (verb).
2. Type
Clauses can be classified as independent or dependent:
    Examples
  • Independent Clauses express complete thoughts and can stand alone.
  • Dependent Clauses do not express complete thoughts and cannot stand alone; they depend on independent clauses.
3. Functionality
Clauses can serve different functions within a sentence:
    Examples
  • Independent Clauses can function as a complete sentence.
  • Dependent Clauses often provide additional information and function as adjectives, adverbs, or nouns.
Difference Between Clauses and Phrases
    Clauses:
  • Contain a subject and a verb.
  • Can express complete thoughts (independent) or incomplete thoughts (dependent).
  • Example of a clause: "When the sun sets" (dependent) or "The sun sets" (independent).
    Phrases:
  • Do not contain both a subject and a verb.
  • Cannot stand alone as complete thoughts.
  • Example of a phrase: "Under the table" (no subject-verb pair present).
    Comparison:
  • Clauses can be sentences or parts of sentences, while phrases serve as components of sentences but do not stand alone.
  • Clause: "He ran fast." (contains a subject and a verb)
  • Phrase: "Running fast" (contains a verb but lacks a subject)
Independent Clauses

An independent clause is a group of words that contains a subject and a verb and expresses a complete thought. It can stand alone as a complete sentence.

1. Simple Independent Clause
    Examples
  • The dog barks.
2. Independent Clause with Additional Information
    Examples
  • The dog barks loudly at strangers.
3. Multiple Independent Clauses
    Examples
  • The dog barks, and the cat hides.
4. Independent Clause with a Compound Subject
    Examples
  • Tom and Jerry play in the garden.
Role of Independent Clauses
1. Forming Complete Sentences
Independent clauses can function as complete sentences on their own.
    Examples
  • She loves to dance.
2. Combining with Other Clauses
Independent clauses can be combined with other independent or dependent clauses to form more complex sentences.
    Examples
  • Although it was raining, she loves to dance." (Here, "she loves to dance" is the independent clause that completes the thought.)
3. Creating Compound Sentences
Independent clauses can be connected using coordinating conjunctions (for, and, nor, but, or, yet, so) to create compound sentences.
    Examples
  • She loves to dance, and he enjoys singing." (Both clauses can stand alone but are linked for additional meaning.)
Dependent Clauses

A dependent clause is a group of words that contains a subject and a verb but does not express a complete thought. It cannot stand alone as a sentence and relies on an independent clause to provide context and meaning.

1. Adverbial Clauses
An adverbial clause functions like an adverb, modifying a verb, adjective, or adverb in the main clause. It often answers questions like when, where, why, how, and to what extent.
    Examples
  • I will call you when I arrive." (The clause "when I arrive" tells when the action occurs.)
  • She sings as if she is a professional." (The clause "as if she is a professional" tells how she sings.)
2. Adjective Clauses
An adjective clause (also known as a relative clause) modifies a noun or pronoun in the main clause. It usually begins with a relative pronoun such as who, whom, whose, which, or that.
    Examples
  • The book that I borrowed was fascinating." (The clause "that I borrowed" describes the noun "book.")
  • The man who is standing over there is my brother." (The clause "who is standing over there" describes the noun "man.")
3. Noun Clauses
A noun clause functions as a noun in the sentence. It can act as a subject, object, or complement. Noun clauses often begin with words like that, whether, if, or wh- words (who, what, where, when, why, how).
    Examples
  • What you said surprised me." (The clause "What you said" is the subject of the sentence.)
  • I don't know if he will come." (The clause "if he will come" is the object of the verb "know.")
  • The important thing is that we stay together." (The clause "that we stay together" is the complement of the subject "The important thing.")
Functions of Clauses
1. Independent Clauses
Independent clauses can stand alone as complete sentences because they express a complete thought. They contain a subject and a verb and convey a clear message.
    Examples
  • Simple Statement: The sun rises in the east.
  • With Additional Information: The sun rises in the east and sets in the west.
  • Contrast: I wanted to go for a walk, but it started to rain.
2. Dependent Clauses
Dependent clauses cannot stand alone as complete sentences. They rely on independent clauses to provide context and complete their meaning. When combined, dependent clauses add additional information or detail to the main idea expressed in the independent clause.
    Examples
  • Providing Context: Although it was late, she decided to continue working.
  • Adding Condition: If it rains, we will cancel the picnic.
  • Clarifying Time: We will leave when the sun sets.
  • Showing Reason: She passed the exam because she studied hard.
Punctuation Rules for Clauses
1. Punctuation with Independent Clauses
General Rule: Independent clauses can be punctuated with a period to form complete sentences. When combining two independent clauses, a comma is needed before the coordinating conjunction (for, and, nor, but, or, yet, so).
    Examples
  • "I love to read." (Complete sentence)
  • "I love to read, and I enjoy writing." (Comma before "and" connects two independent clauses)
2. Punctuation with Dependent Clauses
General Rule: When a dependent clause precedes an independent clause, a comma is used to separate them. If the independent clause comes first, no comma is needed.
    Examples
  • "Although it was raining, we went for a walk." (Comma after the dependent clause)
  • "We went for a walk although it was raining." (No comma)
Comma Usage in Complex Sentences
Clause Structure
Example Sentence
Punctuation Rule
Dependent Clause + Independent Clause
"Because I was tired, I went to bed early."
Comma after the dependent clause
Independent Clause + Dependent Clause
"I went to bed early because I was tired."
No comma needed
Independent Clause + Coordinating Conjunction + Independent Clause
"I wanted to go for a walk, but it started to rain."
Comma before the conjunction (but)
Dependent Clause + Dependent Clause
"Although it was raining and the wind was strong, we decided to go out."
Comma after the first dependent clause
Complex Sentence with Multiple Dependent Clauses
"If it rains tomorrow, and if it gets windy, we will stay indoors."
Comma after the first dependent clause