Past Future Perfect Continous Tense

Past Future Perfect Continous Tense adalah bentuk waktu yang menyatakan suatu kejadian atau peristiwa yang akan sudah berlangsung pada masa lalu.

Polanya:

Subject + Should/Would + Have + Been + Verb I + Ing + Object

Contoh:
1. I should have been writing a letter for a week

2. They would have been playing football in the yard for all day

3. Sam would has been going to Cimahi for 2 month