1. Adverb Clause

2. Adverb Clause
Every adverb clause begins with a subordinate conjunction.
Some examples of subordinate conjunctions would be when, since, before, although, until…
Adverb clauses modify the main verb in the sentence, adjectives and other adverbs.

3. Adverb Clause
After he raised his rifle to his shoulder, he squeezed the trigger immediately.
The student left the room before the bell rang.
He enjoys camping in the woods more than you do.

4. Adverb Clause
Although he heard the hiss of the snake, he still could not see it until he moved the pile of wood.
The kite rose quickly into the air as soon as the gusty wind hit its face.

5. Conclusion Adverb clauses must have a subject and a verb.
The first word in an adverb clause is the subordinate conjunction.
If the sentence begins with an adverb clause, use a comma after it.
Note: It helps to know the subordinate conjunctions