ПОМОГИТЕ,ПОЖАЛУЙСТА! Нужно преобразовать глаголы в скобках в Present Perfect или Past...

Question

ПОМОГИТЕ,ПОЖАЛУЙСТА!
Нужно преобразовать глаголы в скобках в Present Perfect или Past Simple, в зависимости от контекста.
13. The bell (to ring) repeatedly, but they (not to answer) it,
and presently it (to stop). 14. You can’t see Herb. He (to be
out). — No, he (not to be). I (to watch) him go in with his dad
and he (not to come out) yet. 15. She (to lift) her bag from
the sideboard and (to take out) a two-shilling piece. 16. “Good
morning, Mrs Watt," she said. “Eric (to tell) you what to
do?” 17. I (to love) you since I (to see) you walk into that
classroom. 18. I don’t think I (to be out) more than a couple
of minutes. 19. The thing is that I (to come) to have a talk.
20. I’m her sister, and we (to have) only each other since Dad
(to die).

Answer 1

13. The bell (to rang) repeatedly, but they (did not  answer) it,
and presently it (has stopped). 14. You can’t see Herb. He (is
out). — No, he (is not). I (watched) him go in with his dad
and he (has not  come out) yet. 15. She ( lifted) her bag from
the sideboard and ( took out) a two-shilling piece. 16. “Good
morning, Mrs Watt," she said. “Has Eric ( told) you what to
do?” 17. I (have loved) you since I (saw) you walk into that
classroom. 18. I don’t think I (have been out) more than a couple
of minutes. 19. The thing is that I (have come) to have a talk.
20. I’m her sister, and we ( have had) only each other since Dad
( died).