| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | seems [verb] been the first | 6 |
|
| 2 | seem to have been the first | 6 |
|
| 3 | seem [verb] been the first | 6 |
|
| 4 | seem [to-vb] been the first | 6 |
|
| 5 | seem have been the first | 6 |
|
