The following worksheet is a condensed review of all the grammar taught in Spanish 1. Including, regular present tense verbs, ser, ir and estar in the present tense, classifying stem changing verbs, simple future tense, gustar/encantar, and informal commands.
The second to last page is a list of stem changing verbs that students need to categorized based on the change (eg. e--> ie). There is a answer sheet for the teacher as well. You can make any changes you need to based on the set of stem-changing verbs used in your curriculum.