| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | n't seen a [noun sg] [prep] | 12 |
|
| 2 | not seen a [noun sg] [prep] | 7 |
|
| 3 | [not/n't] seen a [noun sg] of | 5 |
|
| 4 | [not/n't] seen a [noun sg] for | 5 |
|
