Make questions .Use Present simple or Past simple
1.Who/pain/Mona Lisa?
2.Who/have/ a pet?
3.Who/know/Spanish words?
4.Who/write/Harry Potter?
5.Who/like/chocolate ise cream?
6.Who/meet/a famous person last year?

1. Who painted Mona Lisa? (Past Simple)

2. Who has a pet? (Present Simple)

3. Who knows Spanish words? (Present Simple)

4. Who wrote Harry Potter? (Past Simple)

5. Who likes chocolate ice-cream? (Present Simple)

6. Who met a famous person last year? (Past Simple)