In Present simple^x, Passive sentences^x, Simple present^x

Hi Active sentence: Somebody stole my bicycle. Passive sentence: My bicycle has been stolen. Is the passive sentence OK, in your opinion? I would write: My bicycle was (simple past) stolen. As far as I know if the active sentence is written in simple past than the passive one should also be...

Hi Musesun"This forbidden to make money in the university" is not a correct sentence. The word "forbidden" is not a tense at all -- it is just the past participle (V3) of the verb 'forbid'. You can say "This is forbidden", but you cannot say "This forbidden".Have you learned how to make...