| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have n't seen him | 132 |
|
| 2 | have not seen him | 95 |
|
| 3 | had not seen him | 60 |
|
| 4 | have not seen him | 39 |
|
| 5 | 've not seen him | 10 |
|
| 6 | has not seen him | 5 |
|
