Please will someone tell me which way to say sentences?

Could you please help me correct these sentences grammatically?

1 I'd like for you to tell me what you want to do./I'd like you to tell me what you want to do.
2 Her teeth look white in/under dim light.
3 When I leave from here I get home later than when I leave from there even though its closer to my house here.
4 If the light goes green it'll mean/it means that the other light goes/will go red.
X is a little further from A than from B.
5 Do you know how you know someone is a friend, if he helps you in time of need.
6 We broke our phones (on) the same day.

Thank you