Active voice or passive voice. 1.yuri dolgoruki (to found) moscow in 1147. 2.we (to show) the historical monuments of the capital to the delegation tomorrow.

1. active - Yuri Dolgoruki founded Moscow in 1147
passive - Moscow was founded in 1147 by Yuri Dolgoruki
2. active - We will show the historical monuments of the capital to the delegation tomorrow
passive - The historical monuments of the capital to the delegation will be shown by us tomorrow
лучше использовать active voice

Active Voice

1.Yuri Dolgoruki founded Moscow in 1147.

Passive Voice.

2. We shall be show the historical monuments of the capital to the delegation tomorrow.