В пассив и перевести
Some manure ( to spread) ………………….on this field recently
2. A plan for reproduction of the beef cattle on the farm (to suggest )…………….….next week
3. Some charactcrics of this cow breed (to study )……………....carefully by the scicntists at the moment.
4. The new textbook on animal husbandry (to write )……….………..by the professors of our University last year.