Verb Tense Chart based on Azar - University of Minnesota
writing.umn.edu › sws › assetsVerb Tense Chart based on Azar simple present I study every day. (habitual action – past to present to future) present continuous I am studying right now. (action began in past, may continue into future) present perfect I have studied Chapter 1. (past action with indefinite time span) present perfect continuous I have been studying for two hours.