"Could have been" is used to describe something that did not happen, but which was possible to have happened. It specifically says the thing was not impossible.
"He could have been a champion" means that he was not a champion, that something intervened to prevent it, and if that intervention had not happened, he might have been a champion.
"If the house had not burned down, it could have been my home for the rest of my life."
"That ice cream that just fell on the floor could have been a treat for Johnny when he got home."
yes. I have been to a reef.
A good sentence could be: Does she have her hair colored? Yes, she has had a dye job. I have to go to the store, she has not been there yet.
We listed every state we've been to for our homework assignment
Been is the past tense of the verb to be: I have been to the library. The term "of been" is not a correct phrase in English. Unfortunately, many people use it instead of "have been". For example, "I could of been an athlete." is incorrect; "I could have been an athlete." is the correct term.
you could put dinosaurs are an extinction.
An answer to those questions has been found.
i hate that word, likewise, i use it in this sentence
"Under different circumstance's, the war could have been avioded," said the townsfolk.
You used presiding in a sentence when you asked about it. And u can use any word in a sentence.
You just did, or you could just use the sentence "I don't know how to use overtaken in a sentence."
well you could say "i have and unchecked mailbox in Alabama" use as a something that hasn't been updated like a mail box.
Yes, had and had are correct. You could drop the first 'hand' and still have a good sentence. BUT who is "They"? and who is "her"? That makes the sentence confusing. You could change it to: Cathy's parents had just arrived, but her husband had been staying nearby for a while.