I'd say sentence 11 is by far the most difficult of these. Nevertheless, the only thing you need to do is find the subject, verb and object in the active sentence, and then use the object as the subject in the passive sentence. Who made these

Hi Anon Yes, the verb "remain" is intransitive, and I wouldn't ever expect to see it used in the passive voice. Sentence 1 is OK, and sentence 2 is not. The verb "need" (meaning "must have") is transitive, and you

Hi Anon 1) Today's work is done. -- Here, the participle (is it a participle, anyway?) seems to be an adjective. I don't think this is a passive tense (with no agent). 2) Today's work is done by Sue. -- Here, it seems to be clear it is