| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [noun sg] [prep] a [noun sg] | 17868 |
|
| 2 | n't a [noun sg] [prep] [noun sg] | 116 |
|
| 3 | n't a [noun sg] [prep] a | 18 |
|
| 4 | n't [noun sg] [prep] a [noun sg] | 6 |
|
