Добрый день!
Подскажите, правильно ли мы определили время и залог в предложениях?
1. Wheat, rice, barley, oats and rye are sown by tractor-drawn drills. (Present Simple, Passive voice)
2. Dozens of the inventions have lightened the labors of farmers. (Present Perfect, Passive voice)
3. The tractor was being perfected and made adaptable to more kinds of work. (Past Continuous, Passive voice)
4. Mechanical energy and ingenuity have been applied to scores of other farm tasks. (Present Perfect, Passive voice)
5. The answers are depending upon many factors now. (Present Continuous, Passive voice)
6. On the arable land cultivation is mechanized. (Present Simple, Passive voice)
7. Many useful machines have been used by farmers. (Present Perfect, Passive voice)
8. Now various crops are being grown by the farmers in the Eastern part of England. (Present Continuous, Passive voice)
9. Now the main tendency is that small traditional farms are disappearing. (Present Continuous, Passive voice)
10. Most small farms in England have grown some crops and kept some farm animals. (Present Perfect, Passive voice)