Why do we use was with I?

Related questions

1. Did you take or took?
2. What is have had in grammar?
3. Why we use have had together?
4. Why were is used with I?
5. Should have taken or took?
6. Should of had or should have had?
7. How use have has had?
8. What is went in English?
9. Is has had correct grammar?
10. Has been working or has been worked?

Tags

1. #singular
2. #sometimes
3. #plural
4. #answer
5. #speaking