1. The team leader criticised John for not having waited for them.
2. He might not have got my letter.
3. It is 6 years since it last snowwed here.
4. Only when they told me about it later did I realize what I had missed.
5. There were far fewer people there than I had expected.
6. On being asked about the strike, the Minister declined to comment.
7. You didn't have to have gone to all that trouble.
8. I wish you didn't say things like that.