1. What is a Subordinate Clause?
The subordinate conjunctions are:
after, although, as, as if, as long as, because, before, even though, if, in order that, since, so that, than, though, unless, until, when, whenever, where, wherever, while
These words begin a subordinate or dependent clause. They can come anywhere in a sentence; however, if they begin the sentence, they must be followed by a comma.
Subordinate clauses that begin with a subordinate conjunction work as adverbs. This means they will describe a verb, adjective, or adverb in the independent clause.

2. What is a Subordinate Clause?
Examples of Subordinate Clauses
subordinate clause
Ex. We talked to him after the game had begun.
Ex. Because it was storming, our game ended.
Yes, a sentence can begin with the word “because!” The only way it can start that way though is if it begins with a subordinate clause and is followed by both a comma and an independent clause.

3. Locating Subordinate Clauses
Locate the subordinate clause that begins with a subordinate conjunction.
1. Mrs. Alekson saw the spider when she entered the room.
when she entered the room
2. Whenever I daydream in class, I miss important information.
whenever I daydream in class
3. Mark did his homework after he came home from baseball practice.
after he came home from baseball practice
4. Because Liza did not make it to practice, she could not play in the game this week.
Because Liza did not make it to practice