PRESENT PERFECT
CONTINOUS TENSE digunakan untuk menunjukkan peristiwa
yang dimulai di masa lalu dan terus dilakukan sampai sekarang.
RUMUS:
(+) Subject + have/has + been + Verb-ing
(-) Subject + have/has + not + been + Verb-ing
(?) Have/Has + Subject + been + Verb-ing?
CONTOH:
(+) They have been waiting for the teacher for a
long time
(-) They have not been waiting for the teacher for
a long time
(?) Have they been waiting for the teacher for a
long time?
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