Why is the past tense of teach taught?

Related questions

1. What is another word for seek?
2. Is teached a correct word?
3. What are the 3 tenses of a verb?
4. What is third form of teach?
5. What does saught mean?
6. What is simple present example?
7. Why do we use present simple?
8. What is the simple present of work?
9. What is the present tense of teach?
10. What is difference between simple present and present continuous?

Tags

1. #taught
2. #middle
3. #proved
4. #supplant
5. #teached
6. #resilient
7. #became
8. #teach
9. #regular
10. #originally
11. #tried
12. #analogous
13. #while
14. #tense
15. #raught
16. #participle