Looking at the sentence, it's is obvious that 'Amazon' is the adjective word that describes the birds in South America. Other than that, it is being capitalized because it is at the same time a nationality / race.
Gawain stepped in to accept the challenged. He chopped off the Knight’s head but it
magically reattached itself back to its body.
A year later he travels to the Green Knight’s lair where it is his turn
to accept a blow from him. When the
Knight strikes, Gawain only to evade the blow.
He goes home afterwards.
Answer:
no, we cant say "could have HAVE been"
Explanation:
saying double have sounds weird and isn't the right way to talk.
Mrs Davenport has gotten a lot of work done and she's done a very good job, like she always does.
I need more information to answer this question
