Past Future Perfect Tense

The tense is used for stating an action or event that would happen in the past, the impossible conditional, happen because the provision wasn't certain fulfilled ( Masa ini digunakan untuk menyatakan peristiwa atau kejadian yang akan sudah terjadi pada waktu lampau, pengandaian yan tak mungkin, terjadi karena syarat sudah pasti tak terpenuhi )

Formula ( Rumus )

A : Subject + Auxiliary ( would ) + Auxiliary ( have ) + Verb 3 + Object + Adverb ( Positive and Active Sentence )
B : Subject + Auxiliary ( would ) + not + Auxiliary ( have ) + Verb 3 + Object + Adverb ( Positive and Active Sentence )
C : Auxiliary ( would ) + Subject + Auxiliary ( have ) + Verb 3 + Object + Adverb ? ( Introgative, Active and Positive Sentence )
D : Auxiliary ( would ) + Subject + not + Auxiliary ( have ) + Verb 3 + Object + Adverb ? ( Introgative, Active and Negative Sentence )
E : Subject + Auxiliary ( would ) + Auxiliary ( have ) + been + Verb 3 + Object + Adverb ( Positive and Passive Sentence )
F : Subject + Auxiliary ( would ) + Auxiliary ( have ) + not + been + Verb 3 + Object + Adverb ( Positive and Passive Sentence )
G : Auxiliary ( would ) + Subject + Auxiliary ( have ) + been + Verb 3 + Object + Adverb ? ( Introgative, Passive and Positive Sentence )
H : Auxiliary ( would ) + Subject + not + Auxiliary ( have ) + been + Verb 3 + Object + Adverb ? ( Introgative, Passive and Negative Sentence )
I : Subject + Auxiliary ( would ) + Auxiliary ( have ) + been + Adjective ( Positive and Active Sentence )
J : Subject + Auxiliary ( would ) + Auxiliary ( have ) + not + been + Adjective ( Positive and Active Sentence )
K : Auxiliary ( would ) + Subject + Auxiliary ( have ) + been + Adjective ? ( Introgative, Active and Positive Sentence )
L : Auxiliary ( would ) + Subject + not + Auxiliary ( have ) + been + Adjective ? ( Introgative, Active and Negative Sentence )

Example

A : I would have studied English hard, she / he / person name would have sent letter, you / we / they would have played basketball in the yard
B : I wouldn't have studied English hard, she / he / person name wouldn't have sent letter, you / we / they wouldn't have played basketball in the yard
C : Would i have studied English hard ?, would she / he / person name have sent letter ?, would you / we / they have played basketball in the yard ?
D : Would i not have studied English hard ?, would she / he / person name not have sent letter ?, would you / we / they not have been playing basketball in the yard ?
E : English would have been studied hard by me, letter would have been sent by her / him / person name, basketball would have been played by them / you / us
F : English wouldn't have been studied hard by me, letter wouldn't have been sent by her / him / person name, basketball wouldn't have been played by them / you / us
G : Would English have been studied hard by me ?, would letter have been sent by her / him / person name ?, would basketball have been played by them / you / us ?
H : Would English not have been studied hard by me ?, would letter not have been sent by her / him / person name ?, would basketball not have been played by them / you / us ?
I : I would have been kind-hearted, she / he / person name would have been polite, you / we / they would have been happy
J : I wouldn't have been kind-hearted, she / he / person name wouldn't have been polite, you / we / they wouldn't have been happy
K : Would i have been kind-hearted ?, would she / he / person name have been polite ?, would you / we / they have been happy ?
L : Would i not have been kind-hearted ?, would she / he / person name not have been polite ?, would you / we / they not have been happy ?