Present Perfect Continuous Tense Structure and Examples
www.grammarquiz.org › 2021 › 11Present perfect continuous tense express actions started in the past (anytime before now) and continued up to now (unfinished) and may extend into the future. The duration of time is usually specified in the present continuous tense using the prepositions ‘since’ to emphasize when an event began or ‘for’ with a period of time. The duration of time sometimes does not specify at all.