Сделать. предложения из active passive переделать в passive 1. present simple: people study chemistry at this university. 2. present continuous: we are studying english now. 3. past simple: they studied english at the primary school. 4. past continuous: this time last week we were studying english. 5. present perfect: they have studied this phenomenon for 3 years.
Chemistry is studied by people in this University.
English is being studied by us now.
English was studied by them at the primary school
This time last week English was being studied by us.
This phenomenon has been studied for 3 years.