| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [to-vb] of | 888 |
|
| 2 | [adj] [to-vb] of | 799 |
|
| 3 | necessary [to-vb] [prep] | 458 |
|
| 4 | necessary [verb] of | 14 |
|
| 5 | necessary [to-vb] of | 11 |
|
