2) What do you want to talk about? I want to talk about a problem she's having.
3) Why did you decide to do that? I decided to do that because it was boring.
4) What time do you want to leave the house? I want to leave the house as early as possible.
5) When did you finished reading it? I finished reading it last night.
6) What would you like to do? I'd like to stay at home and have an early night.