A complex sentence is made up of an independent clause and a dependent clause. Example: The television was playing (independent clause which can stand alone and make sense) as I left the room (dependent clause which must be attached to the independent clause to make sense). There are three kinds of dependent clauses: adjective clause, adverb clause and noun clause.
An adverb clause is a dependent clause that modifies a verb, adjective, or another adverb. It usually modifies the verb.
Adverb clauses are introduced by subordinate conjunctionsincluding after, although, as, as if, before, because, if, since, so that, than, though, unless, until, when, where, and while. These are just some of the more common ones.
Example: They arrived before the game had ended. (“before the game had ended” is the adverb clause modifying the verb arrived telling when.)
Instructions: Find the adverb clauses in the following sentences and tell what they modify.
1. You clean the bathroom while I clean the carpet.
2. Ann was confident that she would play the best.
3. Bring in the toys before they get destroyed.
4. I stood on the box so that I could see the top of the shelf.
5. Your face becomes red when you are angry.
–For answers scroll down.
1. while I clean the carpet modifies the verb clean
2. that she would play the best modifies the predicate adjective confident
3. before they get destroyed modifies the verb bring
4. so that I could see the top of the shelf modifies the verb stood
5. when you are angry modifies the verb becomes
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from Daily Grammar Lessons Blog