Поставьте предложение в обозначенное время: 1) I saw Jane a day

1) I saw Jane a day ago.

Present Perfect: I have not seen Jane before.

2) My sister is still at school now.

Past Simple: My sister was at school yesterday.

Present Simple: My sister goes to school every day.

3) They are writing an essay at the moment.

Past Simple: They wrote an essay yesterday.

Present Perfect: They havent written an essay yet.

4) There is something strange in his answer.

Past Simple: There was something strange in his answer.

Present Perfect: There has just been something strange in his answer.