I feel like this fits it with my post from earlier in week about language resources. I often find myself using flashcards to make verb tables but this is a very time consuming way to do them, so I made this sheet.
You can use it to either just write down the different tenses for various verbs or to write down all the irregulars for different tenses like below:
If you want to download the printable you can get it here: Verb Tables
And if you want to see my post on languages resources then click here