I have been singing all day.
She has been reading.
Some people have been in government since 1999.
The lecturer has been teaching at UNILAG for eight years.
He has been sleeping in the other room.
The clauses above bear examples of a common verb tense: the present perfect continuous. This is the tense that indicates an action that started in the past and continues now. While the present tense expresses just a current action, the present…
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