Past perfect continuous tense digunakan untuk menerangkan hal yang sudah terjadi dan masih berlangsung pada waktu lampau.
Subjek + had + been + infinitive + -ing + objek
I had been sitting until midnight.
You had been fishing all the day yesterday.
I Had been snowing for several hours when we awoke.
Had + subjek + been + infinitive + -ing + objek
Had you been reading before you went to bed?
Had she been cooking when Ersa called her?
Had they been playing before they took a bath?
What/where/when/why/who/how + had + subjek + been + infinitive + -ing + objek
What had you been doing when Alice met you?
Who had been sitting for hours last night?
How long had it been raining last night?
Subjek + had not / hadn't + been + infinitive + -ing + objek
I hadn’t been sitting until midnight.
You hadn’t been fishing all the day yesterday.
He hadn’t been studying art for a long time.
Mr. Black told me that he hadn’t been planning to go to Indonesia.