7 Complete the sentences. Use present perfect. 1 Have you played (you/play) ice hockey before? 2 Kelly … (join) the tennis team. 3 We … (not/do) any sports yet. 4 … (they/sail) across the Atlantic Ocean? 5 lan … (win) the cycling competition at school. 6 I … (not/buy) any tickets for the basketball game.

**Решение:** 1. Have you played (you/play) ice hockey before? - The correct sentence using Present Perfect tense is: Have you played ice hockey before? 2. Kelly has joined (join) the tennis team. - The correct sentence using Present Perfect tense is: Kelly has joined the tennis team. 3. We have not done (not/do) any sports yet. - The correct sentence using Present Perfect tense is: We have not done any sports yet. 4. Have they sailed (they/sail) across the Atlantic Ocean? - The correct sentence using Present Perfect tense is: Have they sailed across the Atlantic Ocean? 5. Ian has won (win) the cycling competition at school. - The correct sentence using Present Perfect tense is: Ian has won the cycling competition at school. 6. I have not bought (not/buy) any tickets for the basketball game. - The correct sentence using Present Perfect tense is: I have not bought any tickets for the basketball game. **Объяснение:** Во всех предложениях используется Present Perfect tense, который обозначает действия, которые начались в прошлом и продолжаются или влияют на настоящее время. - Формула Present Perfect: have/has + прошедшее время глагола (Past Participle). - "Have" используется вопросительной и утвердительной форме с "I, you, we, they", "Has" используется с "he, she, it". - "Not" включается перед глаголом, чтобы образовать отрицательную форму. Таким образом, в данных предложениях используется Present Perfect правильно, чтобы описать действия, произошедшие в неопределенное время в прошлом и связанные с настоящим. Если у вас возникли дополнительные вопросы, не стесняйтесь задавать.