1. все правильно.
2. Когда мы говорим о недавних событиях и хотим подчеркнуть важность приобретенного опыта мы используем Present Perfect.
I have seen two films recently.
I have taken three tests this week.
I have read all the Harry Potter books.
3. Когда мы говорим о событиях которые начались в и продолжаются в настоящее время, мы используем Present Perfect Continuous. С глаголами, которые не имеют формы Continuous (to be, to have, to love, to hate и др.) вместо Perfect Continuous употребляется Present Perfect.
Ken has had his bike for three years. (present perfect)
My parents have been living in this town for a long time. (present perfect continuous)
I have been working in this office since January. (present perfect continuous)
4. Before ( до того как) we moved to Rome, we lived in Paris.
The star was recognised whenever (всякий раз) he went out.
I waited for Tina outside the cafe. After a while (спустя время) I got bored and went home.
Объяснение:
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English is not the same in all places of our planet. People use English in America, Australia, Canada and Great Britain as their mother tongue, but these "English" are different. We can talk about American English, Australian English, Canadian English. People living in the UK speak English. Those who live in India speak Indian English. British English and American English are the most important types of English, because people use them very widely. But they are not really that different. You are learning British English, but if you meet people who come from the United States, you can understand what they are saying. You may not understand everything, you may find that some words do not sound very ordinary. Of course, you can say that these people are not British, but you can still talk to them. This is because the vocabulary and grammar of the language is very much the same. But some things have different names in the UK and America.