Example: air traffic controller
Search results with tag "Verb tense chart"
Verb Tense Chart - CSN
www.csn.eduVerb Tense Chart. Past Perfect Continuous-Used to say how long something has been in progress before another point in the past. e.g. - I had been eating breakfast for 30 minutes when my brother arrived. Present Perfect Continuous - Used to talk about something that
Verb Tense Chart based on Azar - University of Minnesota
writing.umn.eduVerb 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.