By Perfect progressive, Spelling

Hi, Here are some comments. I was happy to get your questions, please write again if I can help you in any way, OK? I would like to know if people in Canada use the present perfect tense and the present perfect progressive tense differently than the Americans. Are Canadians following the...

Hello everybody, I would like to know if people in Canada use the present perfect tense and the present perfect progressive tense differently than the Americans. Are Canadians following the British style instead of following the American style? From Raymond Murphy’s "Grammar in...