| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [not/n't] seen [pron] at | 9 |
|
| 2 | [vb base] n't seen [pron] at | 9 |
|
| 3 | [vb base] [not/n't] seen [pers pn] at | 8 |
|
| 4 | [vb base] [not/n't] seen he at | 5 |
|
| 5 | [vb base] [not/n't] seen him at | 5 |
|
