| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] a [noun sg] | 50820 |
|
| 2 | not a [noun sg] | 10556 |
|
| 3 | not [to-vb] [noun sg] | 729 |
|
| 4 | not [to-vb] a | 711 |
|
