Prefer и Would rather
Мы употребляем prefer чтобы сказать, что нам нравится какая-то вещь больше, чем другая, вообще, независимо от ситуации.
She prefers fish to meat.
I prefer "Camel" to other cigarets.
I prefer driving to travelling by train.
I prefer listening to music to watching TV.
I prefer to eat at home rather than to go to a restaurant.
My mother prefers to live in the country rather than in a city.
Мы используем would prefer чтобы выразить предпочтение в какой-то специфической ситуации (не в общем).
"Would you prefer tea or coffee?" "Coffee, please."
I'd prefer red fish and a glass of french vine, please.
I'd prefer to stay at home tonight rather than go to the cinema.
He would prefer to come with us.
Would you prefer me to drive?
I'd prefer to go by myself.
Would rather do ... имеет то же значениие, что и would prefer to do ....
"Shall we go by train?" "I'd rather drive."
I'd rather stay at home and read a book.
I'm so tired. I'd rather not watch TV this evening, I'd rather go to sleep.
I'd rather not eat tonight.
I'd rather stay at home tonight than go to the cinema.
I'd rather throw it away than somebody use it.
"Shall I stay here?" "I'd rather you came with us."
"I'll repair your bike tomorrow, OK?" "I'd rather you did it today."
"Are you going to tell them what happened?" "No. I'd rather they didn't know."
It's very difficult I would imagine.