Change to past tense

1. I wake up at 6 o'clock => I up at 6 o'clock
2. I help my mother clean the house => I my mother clean the house
3. I go to Robinsons => I to Robinsons
4. I stay at home => I at home
5. I play video games => I video games
6. I do my homework => I my homework
7. I sleep for one hour => I for one hour
8. I watch a cartoon => I a cartoon
9. I eat fried chicken => I fried chicken
10. I buy a book for school => I a book for school