Before we delve into adverb clauses, let's review what a clause is, and what independent and dependent clauses are. Being able to identify main clauses and dependent clauses will help you recognize which part of a sentence is an adverb clause and which part of the sentence is the main clause.
A clause is a group of words that has a subject and a verb. If a group of related words does not contain a subject and a verb, it is a phrase.
Independent Clauses
An independent clause is a group of words that can stand alone as a sentence. It has a subject, a corresponding verb, and is a complete thought. Two independent clauses can also be joined by a coordinator. Common coordinators are: and, but, or, and nor. Take a look at the following examples of independent clauses:
![fireplace](https://smrt.sfo2.cdn.digitaloceanspaces.com/core/LMLA/YOUTH/ENGL130Youth/Unit07/7-1g1.jpg)
I like spending time by the fireplace.
![cinema](https://smrt.sfo2.cdn.digitaloceanspaces.com/core/LMLA/YOUTH/ENGL130Youth/Unit07/7-1g2.jpg)
All of us went to the movie, and we all thought it was great.
Dependent Clauses
A dependent clause is a group of words that also contains a subject and a verb, but it is not a complete thought and can't stand alone in a sentence. Instead, dependent clauses relate directly to the main clause (independent clause). They are "dependent" on the main clause. Take a look at these examples:
![cleaning table](https://smrt.sfo2.cdn.digitaloceanspaces.com/core/LMLA/YOUTH/ENGL130Youth/Unit07/7-1g3.jpg)
I am not tidying the dishes unless Sarah cleans the table first.
![dinner](https://smrt.sfo2.cdn.digitaloceanspaces.com/core/LMLA/YOUTH/ENGL130Youth/Unit07/7-1g4.jpg)
Come eat dinner before the food gets cold.
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