This animation shows how the irregular verb する — meaning “to do” — changes form. It doesn’t follow the usual patterns of other verbs, but its key forms are short and useful.
Here are some common variations:
しない (negative)
します (polite)
すれば (if you do)
しよう (let’s do it)
できる (can do)
The verb する appears in many compound verbs like:
勉強 する (to study)
運動 する (to exercise)
復習 する (to review)
That’s why it’s one of the most essential verbs to learn.