| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have not seen him [vb infin] | 11 |
|
| 2 | [verb] not seen him [vb infin] | 11 |
|
| 3 | had not seen him [vb infin] | 8 |
|
| 4 | [vb past] not seen him [vb infin] | 8 |
|
