Past Future Perfect Continuous Tense

Rumus:

• (+) S + should, would + have + been + Ving
• (-) S + should, would + not + have + been + Ving
• (?) should, would + S + have + been + Ving ?

Fungsi:

Digunakan untuk menyatakan suatu kejadian atau aktifitas yang seharusnya telah sedang terjadi diwaktu lampau.

Contoh:

• He would have been working for two hours when i saw him yesterday.