(Раскройте скобки, употребляя глаголы в одном из следующих времен: Present Simple, Present Continuous, Present Perfect, Present Perfect Continuous.) по сборнику Голицынского. Проверка усвоенных знаний. Ключ к упражнению

1. This man (to be) a writer. He (to write) books. He (to write) books since he was a young man. He already (to write) eight books. 2. What you (to do) here since morning? 3. Lena is a very good girl. She always (to help) her mother about the house. Today she (to help) her mother since morning. They already (to wash) the floor and (to dust) the furniture. Now they (to cook) dinner together. 4. He (to run) now. He (to run) for ten minutes without any rest. 5. What they (to do) now? — They (to work) in the reading room. They (to work) there for three hours already. 6. Where he (to be) now? — He (to be) in the garden. He (to play) volleyball with his friends. They (to play) since breakfast time. Пожалуйста помогите сделать даю 63 балла