| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] at the [noun] | 2251 |
|
| 2 | necessary [to-vb] the [noun] | 854 |
|
| 3 | necessary [to-vb] at the | 15 |
|
| 4 | necessary at the [noun] | 14 |
|
