1. He seemed (appeared) to be enjoying the concert.
2. He seemed (appeared) to have lost interest in the subject.
3. He seemed (appeared) to be particular about his food.
4. The house didn't seem (appear) to have been lived in for a long time.
5. She seemed (appeared) to have never tasted this fruit.
6. They seemed (appeared) to be hardly able to make both ends meet.
7. Customers don't seem (appear) to be served here properly.
8. He seems (appears) to have been collecting stamps since he was a boy.
9. He was silent for a moment. He seemed (appeared) to be searching his memory.
10. He doesn't seem (appear) to be fit for the job.
11. You seem (appear) to have been working hard lately.
12. They didn't seem (appear) to notice us.
13. She seemed (appeared) to have managed the job well enough.
14. They seemed (appeared) to be all talking at once.
15. There seemed (appeared) to be no risk in asking him the question.
16. He seemed (appeared) to have been approached on the subject.
17. The job seemed (appeared) to be risky.