| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | seem to have been a | 138 |
|
| 2 | [not/n't] seem to have been | 86 |
|
| 3 | [not/n't] seem to have a | 22 |
|
| 4 | [not/n't] to have been a | 7 |
|
