run, ran, run
Regular English Verbs
Regular verbs such as look, walk, and jump, in English simply add -ed to the root verb to form the past: looked, walked, jumped.
There are some spelling rules that apply to English regular verbs, and you should learn these. You can watch my video to help you learn them.
Irregular English Verbs
Irregular English verbs, like the irregular English verb to run, however, don’t do this and must be remembered individually.
What you need to remember about the the irregular English verb to run, is that the infinitive form is to run, the past simple form is ran and the past participle form is run.
To help you with the pronunciation, I have recorded myself saying the three forms of the irregular English verb to run, and you can listen to it here:
run, ran, run