I _______ have been more than ten years old when our family moved to London.
The word for the blank is "couldn't", but can I say "shouldn't" in this sentence? Is "shouldn't have done" also used to make a guess about things that happened in the past?
Last edited by roseriver1012; 05-Jul-2013 at 01:19.
5jj already answered your first question. Probably it would be best to start new threads for new questions.