What is The Spanish Subjunctive?
Definition: The subjunctive is one of the three moods in Spanish. It is not a verb tense. It expresses the "attitude" of the speaker.
*Indicative: Expresses facts and "real" information.
*Subjunctive: Expresses hypothetical situations. It´s more subjective
*Imperative: Expresses commands and advice.
View these powerpoint: 
ESTRUCTURA 12.3.ppt ESTRUCTURA 13.1.pptESTRUCTURA 13.2.ppt
Other definitions:
http://www.wisegeek.com/what-is-the-subjunctive.htm
http://www.englishclub.com/grammar/verbs-subjunctive.htm
Why to use it: The subjunctive is needed in Spanish when it is triggered by WEIRDO verbs.
W - will and influence
E - emotions
I - impersonal expressions
R - requests and recommendations
D - doubt or denial
O - ojalá
How to use it: The following are the endings for The Present Subjunctive:
-ar verbs: e, es, e, emos, en
-er / -ir: a, as, a, amos, an
Where to use it: Use it when the statement contains at least two clauses AND there has been a change of subject AND it contains a WEIRDO verb.
For example:
The following links contain useful information, activities, quizzes, and worksheets. Check them out.
http://www.colby.edu/~bknelson/SLC/index.php
http://www.studyspanish.com/tutorial.htm
http://conjuguemos.com/list.phptype=fillin&division=grammar&language=spanish
Spanish Newpapers
http://www.onlinenewspapers.com/spain.htm
Videos/Powe Points Using The Subjunctive
http://www.youtube.com/watch?v=RHOun1bEkKc
http://www.youtube.com/watch?v=GbE5ORBSeu4
http://www.youtube.com/watch?v=qu7aFlCmRuU
http://www.youtube.com/watch?v=uvTUBg1aQgA
http://www.youtube.com/watch?v=N28xs20R7gI