Перепишите предложения, определите его видо-временную форму, подчеркните сказуемое, переведите на язык. образец: is produced present indefinite (simple). passive om глагола to produce - производить. 1) improvement of feeding and management conditions resulted in the increase of milk yields. 2) feeds are divided into two general classes: roughages and concentrates. 3) some of the old unproductive breeds of cattle are now being improved by the scientists of the university. 4) crops are known to be classified in different ways. 5) fine soils are known to store-much moisture. 6) winter wheat is considered to be most common crop in our region. 7) barley is believed to be grown on a larger area next season.