1) Some subordinating conjunction that are used in adverbial clauses are: Because, After, Before, When, Since, Although, Even though and so on.
Example: Since he is millionaire, he doesn´t have enough time to visit his friends.
2) Adjective clauses begin with relative pronouns: Which, that, who, whose, whom, and so on.
Example: The woman who lives across the street is pregnant.
3) A group of word that has a subject a verb can be a simple sentence or a clause.
Example: The woman is pregnant .
