Correct the mistakes.
1. I have looked for him all day. can't find him.
2. He has trying to fix the car all morning.
3. I have buying lots of food this week.
4. I not have brought any shampoo.
5. It been snowed, but it's stopped now.
6. How long they have been cleaning the house?
7. I've been knowing Lillian for two years.
8. Have you cried? Your eyes are red