Would like / want
Beleefd:
What would you like.....?
I would like ............ (I'd like)
Minder beleefd:
What do you want?
I want.....
To do
Do you like to play keybord?
No, I don't
Can
Can I ....?
Yes, you can...
No, you can't...
What are you doing today?
I am playing tennis.