4 Look at this part of a dialogue and then answer questions 1-4.

Analysis of the dialogue:

1. The presenter's first question, 'Has he ever had a really serious accident?', is in the present perfect tense.

2. This question asks about general experience, not a specific moment in the past.

3. The presenter's second question, 'What happened?', is in the past simple tense.

4. This question asks about a specific moment in the past, indicated by the context of the previous question and the answer referring to '1986'.