"sometimes" means (several times) every once in a while "sometime" means at one , more or less indefinite, point of time . All the best -Pemmican

the "man"-constructions is always preferred. All the best -Pemmican

... I'm quite sure it refers to "(genuine) science". Cheers -Pemmican

difficult than American English. All the best -Pemmican

The 2nd one is correct. "Mother" has to be singular as you're talking about one special mother only: The mother of one of your friends. All the best -Pemmican

, expressing movement towards the beach. Cheers -Pemmican

leads to the use of the plural form "were". Cheers -Pemmican

the best -Pemmican

'conventional correct Standard' English. All the best -Pemmican

Philip wrote: Mister Micawber wrote: Have you the ball? Has she the ball? These are the standard in British English. And the only remaining full verb (beside "to be") that resists the "do-paraphrasing". American English gave up