Помогите поставить правильные напряженно-формы глаголов в скобках)
1. My sister (to talk) somebody on the phone when I (enter) the room. 2. You (to understand) what he (to talk) about? 3. She often (to take) my dictionary but seldom (remember) to bring it back. 4. I (to see) him on Monday, I hope. 5. How long (you know) Barbara? — We first (to meet) in 1986. 6. He (to live) in Spain when he was a child. 7. I (to go) there next week if I (finish) my work.