Помогите, пожалуйста Choose Present Perfect or Past Indefinite with 'since': I doubt whether he (to read) a single book since he (to be) a student here, at our faculty. What you (to be engaged) in since we (to part)? What you (to occupy) yourself with since we (not to see) each other? He (to be) sad ever since his friend (to leave) the town. He (to be) sad ever since his friend (to be) away. Ever since I (to know) him, he always (to be) a true friend to me. I (to learn) a great deal since I (to study) at this university. I low long (to be) it since you (to graduate)? You (not to change) much since we (to meet) last. He seldom (to have) any visitors ever since he (to be) confined to bed.