When you want to (politely) express or ask about a desire or wish:
Would like + verb in infinitive:
- I´d like to travel to Canada.
- What would you like to eat?
- Would you like to drink something?
When you went to ask or express a preference between 2 or more options:
- Would rather + base form of verb
- Would you rather watch a horror movie or an animated film? I´d rather watch a a horror movie.
- What would you rather do: watch a comedy or a musical show? I´d rather not watch a comedy. I prefer to watch musical shows.
- Use would rather not + base form (negative)
- We´d rather not watch TV tonight.
- Would like
- Would you like a hamburger? Yes, I would. / No, I wouldn´t.
- What would you like to eat? I´d like to eat a sandwich.
- Would rather
- Would you rather eat fish or hamburgers? I´d rather not eat hamburguer, I like fish more. (or I prefer fish, or more information would be, I like fish better.
- What would you rather do: watch a movie or dance? I´d rather not dance, I prefer a movie.