I. перепишите следующие предложения, определите в каждом из них видо-временную форму и залог глагола-сказуемого, укажите инфинитив. переведите предложения. 1. the new numerically controlled machine-tools are being installed in our shop. 2. the alloys of non-ferrous metals were experimented in our laboratory. 3. each new launching of artificial satellites has been connected with the solution of fundamentally new technical and scientific problems. 4. the old methods of research were replaced with new ones.
