Past Future Perfect Continuous Tense

Digunakan untuk menyatakan sebuah peristiwa atau tindakan yang telah sedang akan dilakukan di masa lampau.

Ciri-ciri Past Future Perfect Continuous Tense :
- Terdapat auxiliary would atau should
- Kata would/should bisa di ganti dengan menggunakan to be going to + have
- Menggunakan keterangan waktu sbb ;
yesterday
forever
last
by April last year
by the end of this month
by last Ramadhan

Rumus Past Future Perfect Continuous Tense :
(+) Subject + should/would + have been + verb 1 - ing
(-) Subject + should/would + not + have been + verb 1 - ing
(?) Should/would + subject + have been + verb 1 - ing + object/adverb

Ex :
I should have been working here for two years by last April
( Saya akan sudah bekerja disini selama dua tahun menjelang bulan April lalu )