АА
Андрей Анисимов
помогите пожалуйста определить в предложениях время и залог сказуемого (англ)
1. The past two decades have seen interest in the study of elementary particles.
2. This discovery deals with a fundamentally new type of interaction between atomic nuclei.
3. The nuclear installation “Tokamak”, the basis for the first thermonuclear power station was much spoken about.