Подчеркните сказуемое, укажите видовременную форму и залог 1. Numerous actions have

Подчеркните сказуемое, укажите видовременную форму и залог 1. Numerous actions have been undertaken to encourage the development of small rms. 2. Most important works on fields are being done by machines now. 3. Tariffs on oil exports will have been raised by the end of the year 4. New methods of management will be studied by economists.