Грамматика барашкова. 237. past simple или present perfect ? 1.you be ever there? 2. you be when there ? 3.you see yet the film ? 4.you be already there ? 5.he be ever interested in collecting stamps ? 6.he be when interested in collecting stamps ? 7.you see ever a kangaroo? 8.you see when a kangaroo? 9.you visit yet the museum 10.you visit when the museum?

1. Have you ever been there?                                              Present Perfect
2. When were you there?                                                   Past Simple
3. Have you seen the film yet?                                            Present Perfect 
4. Have you already been there?                                         Present Perfect
5. Has he been ever interested in collecting stamps?            Present Perfect
6. When was he interested in collecting stamps?                 Past Simple
7. Have you ever seen a kangaroo?                                     Present Perfect
8. When did you see a kangaroo?                                       Past Simple
9. Have you visited the museum yet?                                   Present Perfect
10. When did you visit museum?                                         Past Simple


Пояснение:

Во всех предложениях, где вопросы начинаются с "when" (№2, №6, №8, №10), я использовал Past Simple, потому что вопросы, начинающиеся с "when", никогда не используются с Present Perfect.