, use "is" if the individual remains from the part/marriage you are referring to, and "was" if they're not in that role/relationship any longer. Yes "it" can be used in all those constructions and Many others, but soem with the examples could use adjustments. A landlocked country of towering mountains, https://www.jowissa.com/products/leather-watch-strap-glossy-croco-e3-1473-m