| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | seen [prep] a [noun sg] | 1320 |
|
| 2 | not [prep] a [noun sg] | 1290 |
|
| 3 | not seen [prep] a | 52 |
|
| 4 | not seen a [noun sg] | 43 |
|
| 5 | not seen [prep] [noun sg] | 15 |
|
