A clause is a group of words containing a subject and a verb. It's the building block of sentences. There are two main types of clauses in English:
1. Independent Clauses (Main Clauses):
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Express a complete thought and can stand alone as a sentence.
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They have a subject and a verb.
- Example: The cat sat on the mat. (Subject: cat; Verb: sat)
- Example: I went to the store. (Subject: I; Verb: went)
2. Dependent Clauses (Subordinate Clauses):
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Do not express a complete thought and cannot stand alone as a sentence. They depend on an independent clause to make sense.
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They also have a subject and a verb but are introduced by a subordinating conjunction or a relative pronoun.
- Subordinating Conjunctions: These words connect a dependent clause to an independent clause and show the relationship between them (e.g., because, although, since, when, if, while, before, after, until, unless).
- Example: Because it was raining, I stayed inside. (Dependent clause: Because it was raining)
- Example: I will go to the party if I finish my work. (Dependent clause: if I finish my work)
- Relative Pronouns: These words introduce relative clauses, which modify nouns (e.g., who, whom, which, that, whose).
- Example: The book that I borrowed is very interesting. (Dependent clause: that I borrowed)
- Example: The woman who lives next door is a doctor. (Dependent clause: who lives next door)
- Subordinating Conjunctions: These words connect a dependent clause to an independent clause and show the relationship between them (e.g., because, although, since, when, if, while, before, after, until, unless).
Types of Dependent Clauses:
There are three main types of dependent clauses:
- Adjective Clauses (Relative Clauses): These clauses modify nouns or pronouns. They are introduced by relative pronouns.
- Example: The car that I bought last week is already having problems. (Modifies "car")
- Adverb Clauses: These clauses modify verbs, adjectives, or other adverbs. They are introduced by subordinating conjunctions. They answer questions like when, where, why, how, and under what condition.
- Example: I went to bed after I finished my homework. (Modifies "went," tells when)
- Example: Because she was tired, she went home early. (Modifies "went," tells why)
- Noun Clauses: These clauses function as nouns in a sentence. They can be subjects, objects, complements, or objects of prepositions. They are often introduced by words like that, what, who, whom, which, why, when, where, whether, how.
- Example: What he said was shocking. (Subject of the sentence)
- Example: I don't know where she lives. (Object of the verb "know")
Examples of Sentences with Different Clause Combinations:
- Simple Sentence: One independent clause.
- Example: She sings beautifully.
- Compound Sentence: Two or more independent clauses joined by a coordinating conjunction (e.g., and, but, or, nor, for, so, yet) or a semicolon.
- Example: She sings beautifully, and he plays the guitar.
- Complex Sentence: One independent clause and one or more dependent clauses.
- Example: Although it was raining, they went for a walk.
- Compound-Complex Sentence: Two or more independent clauses and one or more dependent clauses.
- Example: Although it was raining, they went for a walk, and they had a great time.
Understanding clauses is essential for constructing grammatically correct and complex sentences in English. It helps you to express more complex ideas and relationships between ideas.