present simple: things that happen regularly or repeatedly, facts, habits, things that are always / generally true., present continuous: When somebody is doing something at this moment., To talk about something that is happening around the time of speaking but not necessarily at that exact moment., when things are changing, present perfect: An action that occurred in the past, but has a result in the present (now), events that have already or just happened, Things that began in the past and continue in the present moment,

present simple, continuous, perfect

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