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Present Perfect Review. Form and usage. Usage. Use the present perfect verb tense for an action which began in the past and is still happening now. Michael has taught at Napa Valley College since 1991. Martha has studied at Napa Valley College for two years. More examples.
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Present Perfect Review Form and usage
Usage • Use the present perfect verb tense for an action which began in the past and is still happening now. Michael has taught at Napa Valley College since 1991. Martha has studied at Napa Valley College for two years.
More examples • Rebecca hasn’t seen her parents for six months. • My daughter has played soccer since she was a child. • Maria has been here for two hours.
An action which happened at an unspecified time in the past. • I’ve already taken calculus. • We have traveled in Mexico many times. • Marco doesn’t want to go to the movie with us tonight because he’s already seen it.
Questions • Has Robert everbeen to Lake Tahoe? -No he hasn’t./Yes he has. • Have you everwritten a poem? -No I haven’t./ Yes I have. Have you finished your essay yet?
An unfinished or incomplete action Michael stillhasn’t completed his research project. I haven’t finished my report yet. Have you found a new job yet? Have you done your homework yet?
Form • Use the have or has +the past participle • I have studied We have studied • You have studied You have studied • She has studied They have studied
Present Perfect ProgressiveUsage The Present Perfect Progressive emphasizes that an activity or action which began in the past is still happening
Examples: The baby has been sleeping for three hours. We’vebeen looking for a new apartment for three weeks. The children have been playing in the park all day.
Form • Use have/has + been +the present participle of the verb. I have been working You have been working She /he has been working We have been working You have been working They have been working