Is ” I am told” correct? If yes, then where is the use of ’being’ in a progressive sentence?

”Three books are used regularly in class.” we have learn that ”Being” can be used in present progressive sentence, but the case is obviously ignored here in the sentence. Why? What is the reason behind such passive where sentence is considered passive but use of being-according to the rule-is avoided? Need healthy suggestions.

Is there passive for perfect progressive? If not, then what is the reason for not being used?

Clause! Would some explain and differentiate between noun, adjective and adverb clause?

How can I differentiate the adverbial article: give awy, or give it away? The relation between object and personal pronouns is little bit ambiguous too.

How i could recognise a verb:wether it follows a gerund or infinitive? I think My question is not clear that much.the thing is clear now.how to choose between "would you mind turning the light,or , would you mind to turn the light"? We simply dont know which kind of verbs must follow gerund or the infinitive "t", or the case is just for native people not for second language learning to know the verb chich follows the above mentioned.

Would someone suggest me a book that could help me in a propriate structure? :Let me improve my structure.

Which thing is necessary for a good writing:opinion or structure? It makes me confused wether i should focus on opoin or should practice on the structure.

I am not getting it,what should to do with it. How would it be helpful for a biggeners?