Question

помогите определить видо-временную форму и залог глагола-сказуемого в предложениях: many 16 storey houses with all modern conveniences are being built in this part of Moscow. 2) the sputniks are used for the research of magnetic fields and cosmic rays. 3) the properties of materials are affected by solar radiation. 4) scientific and engineering progress opens up wide prospects before man

Answer 1

the radar has been used (Present Perfect Passive) for the automatic control of ground transport.
2) today plastic are being widely used (Present Continuous Passive) instead of metals.
3) the construction of the dam has been completed (Present Perfect Passive) this month.
4) the alloys were experimented (Past Simple Passive) upon in our lab

1)  many 16 storey houses with all modern conveniences are being built (Present Continuous Passive) in this part of Moscow.
 2) the sputniks are used (Present Simple Passive) for the research of magnetic fields and cosmic rays.
3) the properties of materials are affected (Present Simple Passive) by solar radiation.
 4) scientific and engineering progress opens (Present Simple Active) up wide prospects before man