Some people are always taking selfies!  - Present continuous: actions that happen very often and annoy the speaker., Psychologists study human behaviour.  - Present simple: things that are always or generally true., I take selfies at least three times a month. - Present simple: routines and habits., Right now, thousands of people are watching cat videos. - Present continuous: actions that are happening now or near the moment of speaking., Some people are changing their minds about the colour test. - Present continuous: changing situations., Blue and yellow make green. - Present simple: scientific facts., She's a researcher at the University of California, but she's teaching in Indian for one term.a  - Present continuous: actions that are temporary or not a normal routine.,

Present simple v. continuous rules

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