This is an end of year study guide for the subjunctive useful for Spanish 4 or possibly Spanish 3, depending on what your curriculum includes. You could also use it at the beginning of the year as a reminder of what was done the previous year.
p. 1-2: overview of the sequence of tenses and the different categories of subjunctive and how to choose which form for your sentence
p. 3-4: exercises
p. 5-6: key