1. she appears to have finished her homework.
- it appears that she has finished her homework. (o)

2. he seems to have been sick yesterday
- it seems that he has been sick yesterday. (x)
1번 문장이 맞다고 하길래... 2번은 has been하고 yesterday가 같이 못 쓰여서 틀린다고 했는지 알았는데요

3. he appears to have played soccer yesterday (o)
3번 문장은 또 맞다고 나오네요...제가 뭘 햇갈리고 있는건가요??