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Content tagged with "HOW LONG?"

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Present perfect continuous with FOR and SINCE

continuous
duration
perfect
point in time
present
FOR
HOW LONG?
SINCE

The question words how long? and since when?, and the prepositions for and since are used with the present perfect continuous tense to express events that started in the past and are still in progress in the present.

Present perfect with FOR and SINCE

duration
perfect
period of time
point in time
present
FOR
HOW LONG?
SINCE

The question words how long? and since when?, and the prepositions for and since are used with the present perfect tense to express that something started in the past and is still true.