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 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 ever been to Lake Tahoe? -No he hasn’t./Yes he has. Have you ever written a poem? -No I haven’t./ Yes I have. Have you finished your essay yet?

An unfinished or incomplete action Michael still hasn’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 Progressive Usage 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’ve been 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