Давайте разберем предложения, используя глаголы в present perfect или past simple, а затем преобразуем все глаголы в present perfect:
- Helen speaks French so well because she has lived in France.
- She lived there last year.
- The rain has stopped and the sun is shining in the sky again.
- The rain stopped half an hour ago.
- Mary has bought a new hat.
- I bought a pair of gloves yesterday.
- The wind has blown off the man's hat, and he cannot catch it.
- The weather has changed, and we can go for a walk.
- The wind changed in the morning.
- We traveled around Europe last year.
- My father knows so much because he has traveled a lot.
- I have seen Pete today.
- She saw this film last Sunday.
- Alex met his friend two hours ago.
- I just have met our teacher.
- The children already have decided what to do with the books.
- Yesterday they decided to help their grandmother.
- I haven't seen you for a long time. I saw you in town two or three days ago, but you didn't see me. I was on a bus.
Теперь преобразуем все глаголы в present perfect:
- Helen speaks French so well because she has lived in France.
- She has lived there last year.
- The rain has stopped and the sun is shining in the sky again.
- The rain has stopped half an hour ago.
- Mary has bought a new hat.
- I have bought a pair of gloves yesterday.
- The wind has blown off the man's hat, and he cannot catch it.
- The weather has changed, and we can go for a walk.
- The wind has changed in the morning.
- We have traveled around Europe last year.
- My father knows so much because he has traveled a lot.
- I have seen Pete today.
- She has seen this film last Sunday.
- Alex has met his friend two hours ago.
- I just have met our teacher.
- The children already have decided what to do with the books.
- Yesterday they have decided to help their grandmother.
- I haven't seen you for a long time. I have seen you in town two or three days ago, but you haven't seen me. I have been on a bus.
Обратите внимание, что в некоторых предложениях применение present perfect вместо past simple делает их грамматически некорректными или неестественными, так как present perfect часто используется для действий, которые имеют связь с настоящим, тогда как past simple используется для действий, завершенных в прошлом.