"A and B have been friends since the 6th grade."
I thought the sentence was an example of present perfect continuous tense for the action starts at a certain time in the past and still in progress at the time of speaking but someone in the forums told me it was the example of present perfect tense. It's not that I doubt him. I just don't understand why is it present perfect when it doesn't meet the conditions of present perfect tense.
sundarnaz I thought the sentence was an example of present perfect continuous tense ... Tense is a form, not a meaning. Do not attempt to identify a tense by cogitating over its meaning.
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sundarnazI thought the sentence was an example of present perfect continuous tense ...
Tense is a form, not a meaning. Do not attempt to identify a tense by cogitating over its meaning. The simple fact is that without -ing, you never have a continuous tense, and 'have been' contains no -ing.
sundarnazhave been fri