Hi Kooyeen I really don't have any statistics on which tense would be more frequently used in informal AmE in a passive sentence like yours. But I do think that we're more likely to the present perfect in "Damn! My bike's been stolen!" than to use

Lin1978 wrote: Thank you, Master Yankee. Your answer is quite clear. But I still have one small question. Last time my teacher told me that, "if I have two different subjects in a main clause and in a conditional, and I want to use the participle

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

Kate was overworked ; this is not passive voice since Kate was not acted upon. SV+ predicative adjective The premises staff cleaned the floor . This is an active sentence where the verb is in past tense. SVO The papers should be photocopied.