what should i do?

My mother has been sick for about five years. She is bedridden.

I had an exam so i studied instead of helping him fix his car, which he constantly does, but if anything is wrong with my sister's car, he can't possibly find the time for it. For two years she has been asked for get her car aligned to no avail. Someone picked the lock and broke it and he won't fix. Every evening that he isn't fixing his car, he is out liming.

Before my mother was sick, she did everything: wash, cook, iron, grocery shopping, cleaning, pick my sister and i up, you name it, she did it. All he would do is eat, sleep, go to work and lime, and sometimes fix something around the house.

Now that she is sick, he expects my sister and i do fill her shoes, but we have schoolwork and he doesn't understand that. When we say we have work to do, he complains and yells at us. Sometimes he says it would only take twenty minutes, when it really takes hours.

When he asks us to help him cook or fix the car, we actually just stand there, bored out of our minds, watching him for hours, occasionally handing him a tool or ingredient. A complete waste of our time when we could be studying.

All he does is cook,work, lime. We do everything else.

So now he says that he is not driving me anywhere. I think I'll just walk to school, but my question is, what should i do? He's mean, lazy and hinders my studies. I'm not saying i don't ever want to help. I'm saying that i need time to study.

i have no where to run away to.