Learn

Studyspanish.com (Regular and Irregular)
Spanishdict.com (Regular and Irregular)
ipfw.edu (Regular and Irregular)

practice

1. Practice #1 (studyspanish.com)
2. Practice #2  (studyspanish.com)
3. Fill-in the blank with 40 questions (spanishdict.com)

Conditional Tense Videos