Passive Voice- majhul Nisbat

I shall have been working for 2 hours in the garden since morning, when you come.
Sen kelganingda men bog’da 2 soatdan beri ishlayotgan bo’laman.
We shall have been working for 2 hours when he phones tomorrow.
Ertaga u telefon qilganida biz 2 soatdan beri ishlayotgan bo’lamiz.
So’roq shakli.

Shall/will+S+have+been+V1 +ing+ATH?

Will he have been working in the garden since morning, when you come?

Shall we have been working for 2 hours when he phones tomorrow?

Inkor shakli

S+shall/will+not+have+been +v1+ing+ATH.

I shall not have been working in the garden since morning, when you come.

We shall not have been working for 2 hours when he phones tomorrow.
Secrets.
since morning-ertalabdan beri
since 2 o’clock-soat 2 dan beri
for a lohg time-ko’p vaqtdan beri
for ages-ko’pdan beri
for an hour-1 soatdan beri
for 5 years -5 yildan beri
all day –kun bo’yi
when he comes-u kelganida
by the end of the week-hafta ohirigacha
Bular gap ohirida ishlatiladi.
Eslatma !
Since when – qachondan beri, How long – qanchadan beri.
bular tugallangan davomiy zamonlarda so’roq gaplarad gap boshida ishlatiladi.
Since when have you been studying at lyceum? Qachondan beri litseyda o’qiyapsan?