The document discusses adverb clauses, noting that they begin with subordinate conjunctions like when, since, before, although, and until. Adverb clauses modify verbs, adjectives, and other adverbs in a sentence. Examples are provided like "After he raised his rifle to his shoulder, he squeezed the trigger immediately" and "Although he heard the hiss of the snake, he still could not see it until he moved the pile of wood." The conclusion emphasizes that adverb clauses have subjects and verbs and start with subordinate conjunctions, using commas when they begin sentences.

1. Adverb Clause
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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: memorize the subordinate
conjunctions on page 477 of the
textbook.