Present perfect continuous tense definition with rule
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Shows something started in past and continunig in present time .
Affirmative : subject +had been+first form+ing +since/ for
Negative : subject +had not been+first form+ing +since/for
Interrogative :had+subject +been+first form+ing +since/for
Affirmative : subject +had been+first form+ing +since/ for
Negative : subject +had not been+first form+ing +since/for
Interrogative :had+subject +been+first form+ing +since/for
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