посчитайте Open the brackets using Present Simple, Past Simple, Present Continuous, PastContinuous, and Present Perfect. 1. When I (to enter) the hall, the students (to listen) to a very interesting lecture in history2. Our students already (to do) all the exercises and now they (read) the text. Students often(discuss) texts at the lessons. 3. When the world-famous violinist (come) to your city? – He (arrive) last month. He (give)already five concerts. The violinist (to play) the concert in the musical theatre now. 4. The children (to play) with their train set the whole evening yesterday. 5. What your father (to do)? – He's an engineer.