d. Past Perfect Continuous Tense (Waktu Berlangsung Sempurna Lampau)

Rumus :

subject+auxiliary verb HAVE+auxiliary verb BE+main verb

Contoh :

(+) They had been living there for two month

(+) When they washed my drees , your father had been playing badminton

(-) They hadn’t been living there for two month

(-) When they washed my dress , your father hadn’t been playing badminton

(?) Had they been living there for two month?

(?) When they washed my dress , had your father been playing badminton ?