Correct the common mistakes.

1. How do you call it in English?
2. Sorry, where are you come from again?
3. Will we meet outside the cinema at 7 o'clock?
4. Are you sure we can afford buying a new computer?
5. Have you ever gone to London?
6. Excuse me, may I have a question?

Zadanko banalne ale ja mam jakiegos laga mózgu. ​.