1.he(to be interested)in maths last year. 2.she(to reach)the island today. эти предложения 1.past simple.2present perfect к этим предложением надо одно утвердительное, одно отрицательное и пять вопросов(общий, альтернативный, разделительный, специальный и вопрос к подлежащему).

1.He(to be interested)in Maths last year.
He was interested in maths last year.
He wasn't interested in Maths last year.
1. Was he interested in maths last year? - общий
2. Was he interested in Maths or English last year? -альтернативный
3. He was interested in Maths last year, wasn't he? - разделительный
4. Who was interested in maths last year? - к подлежащему
5. What subject was he interested in last year?

2.She(to reach)the island today.
She has reached the island today.
She hasn't reached the island today.
1. Has she reached the island today? 
2. Has she or have they reached the osland today?
3. She has reached the island today, hasn't she?
4. Who has reached the island today?
5. What has she done today? 
(вопросы расположены в той же последовательности, что и предыдущие)