regular activities, routines, activities we do PERMANENTLY every day/ month/ year/ on Fridays..., present simple, activities we do right now, TEMPORARY, at the moment, present continuous, PAST activities, we know when they happened , the FACT is important, past simple, past activities but we DON'T KNOW when they happened , the RESULT is important, present perfect, Long actions or processes in the past , to describe the background, past continuous, past habits that we DON'T do now, used to / didn't use to

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