There are different ideas to learn the past forms of irregular verbs, and the following ones are just a few:
- Just memorize the list (not that simple!)
- Group them by similar spelling, for example: boUGHT, caUGHT, and broUGHT share the same spelling, so it is a good idea to learn them together.
- Make sentences or phrases that are easy to remember using some of the verbs you want to learn, for example: Yesterday I WENT shopping and I BOUGHT clothes but I FORGOT my wallet so I LEFT the clothes in the shop and I CAME back home really sad.
- Making groups of verbs that have a common topic, for example: WROTE, DRAW, READ, TAUGHT, could be associated to the idea of making a project at school. You decide your categories and what verbs go into your categories. It's personal.
- Keep cards with the verbs you want to learn with you, so you can test yourself anytime.
- Play games using the verbs you want to learn.