Have you been familiar with the Irregular Verbs?

Here are some forms of the Irregular Verbs:

take - took - taken
run - ran - run
wear - wore - worn
drive - drove - driven
speak - spoke - spoken
find- found - found

How to use them:
Example: He is from China. He speaks Chinese. Yesterday, he spoke English to a tourists. He has spoken English since he worked as a guide in a travel agent.