A family is one of core values of our life... A family is one of core values of our life... before the word "core" should I use any article or superlative adjectives like "the most important"? In addition, has the article "a" before the word "family" been used correctly?

"IF YOU HAD BEEN ASKED THIS QUESTION ONE AND A HALF YEARS AGO, I WOULD HAVE ANSWERED AS FOLLOWS:..." Hello everyone! 😊 Help me out with something, please. Is it possible to use passive voice for conditional sentences? For instance, "IF YOU HAD BEEN ASKED THIS QUESTION ONE AND A HALF YEARS AGO, I WOULD HAVE ANSWERED AS FOLLOWS:..." Is it correct? Could you give me many other examples to understand it. Thank you so much😇

These questions are tormenting me? Can I say this? It's something like "I am tormented by these ques THESE QUESTIONS ARE TORMENTING ME RIGHT NOW? <====Can I say this? It's something like "I am tormented by these questions"

WHO IS HE WITH? <=== is it correct?

Can't you really have seen anybody? or... Can you really haven't seen anybody? Help me, guys, please. Which one is correct? Can't you really have seen anybody? Or Can you really haven't seen anybody? I think the first one is correct, am I right? Is it something like HAVEN'T YOU SEEN ANYBODY Could you explain a grammar rule on the use "Can't or can" in this case? By the way, can anybody help me to learn English? I'm ready to help with your Russian.

I can help you to improve your Russian.