Teaching Spanish through storytelling, I often have to practice the other forms of the verbs. My students have found these worksheets to be extremely helpful. There are seven worksheets total. Five of them cover: ir, ser, decir, querer, dar, estar, tener, and tener idioms. The worksheets cover two verbs at a time, and has a conjugation chart (if that's your thing) at the top. Often students and I fill this out together in class and then the rest of the worksheet is for homework. There is a gustar "survey" where students have to ask their peers if they like or do not like that object(s). My students loved this! Lastly there is a worksheet where students have a bank of verbs, and need to conjugate them correctly in their appropriate sentence.
All of these worksheets work well as homework, in class work, or to include in substitute plans.