The Passive Voice (по учебнику Афанасьевой, Михеевой — углубленное изучение)

The Passive Voice
Affirmative Negative Interrogative
The Present Indefinite Passive S + am/is/are + V3 S + am/is/are + not + V3 Am/Is/Are + S + V3?
Potatoes are grown in many countries. Potatoes aren’t grown in many countries. Are potatoes grown in many countries?
The Past Indefinite Passive S + was/were + V3 S + wasn’t/weren’t + V3 Was/Were + S + V3?
Potatoes were grown in many countries. Potatoes weren’t grown in many countries. Were potatoes grown in many countries?
The Future Indefinite Passive S + shall/will be + V3 S + shall/will not be + V3 Shall/Will + S + be + V3?
Potatoes will be grown in many countries. Potatoes won’t be grown in many countries. Will potatoes be grown in many countries?