Several Questions

[Emanuelli]

Help me please.
1. Is there any dufference between: get married and marry?
2. If "doubt" is a (C) noun, so I can say: "I have a doubt", right?
3. As far as I know the word "sport" is (C) in American English and (U) in British English, right?
4. " I like cooking". After the verb like I can use "ing". Is this rule only used for the Simple Present? I mean, can I say: When I was a child I liked playing soccer???
5. Is there any difference between: "dance" / "go dancing" - "swim/go swimming"?
6. It's wrong to say: 6 o'clock pm / 6 o'clock am. Right?
7. When I talk about names of restaurants, do I have to use "the". Example: "The Ritz", or is it optional? Do I follow the same for bars, pubs, etc?

Thanks...

[Tdol]

1 We use 'get married' more. 'Marry' can be used for the priest or other official who preforms the ceremony, which 'get married' can't be used for.
2 Yes
3 It can be both U (as activity) and C (different sports) in BrE.
4 Yes, you can
5 Dance- this only means the activity, while go dancing is the whole night out as well
6 Right
7- We normally use 'the' with restaurants and pubs