Сorreect the mistakes

Сorreect the mistakes (present perfect continuous-simple) 1) i have looked for him all day.i cant find him.2) he has trying to fix the car all morning.3) i have buying lots of food this week4) i not have brought any shampoo5) it has been snowed.but its stopped now.6) how long they have been cleaning the house7) ive been knowing lillian for two years8) have you cried… your eyes are red