PHRASE AND CLAUSE

A phrase is a collection of words that may have nouns or verbals, but it does not have a subject doing a verb.

Example:   the firts semantics test,  inside the car, catching the ball.

A clause is a collection of words that has a subject that is actively doing a verb.

Example: Maria looks happy before the firts semantics test, there's a dog playing inside the car, my brother is catching the ball.

Main Clause: must contain a subject and a verb as well as express a complete though. 

Example: Diana ate pizza in my house ( Diana: subject    Ate: verb )

Subordinate Clause:  Will begin with a subordinate conjuction or a relative pronoun a will contain both  a subject and a verb.

Example:  Who ate my cheetos?  ----------  after the examen maria wants to sleep