Hello,
1. English has been taught by Mr.Clive.
What is tense of this sentence?
I find it very difficult to tell the type of tense, if the sentence is written in passive.
What are the rules to identified a tense of a sentence written in passive?
Mr.Clive has taught English. (Present perfect--Active voice)
English has been taught by Mr. Clive (Present perfect-Passive voice)
Just my two cents. The forum gurus might explain you the rules to identify the tense of a sentence.