| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] a [noun sg] [prep] | 3037 |
|
| 2 | seen a [noun sg] [prep] | 299 |
|
| 3 | [not/n't] seen a [noun sg] | 38 |
|
| 4 | [not/n't] seen [noun sg] [prep] | 8 |
|
