| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it necessary [to-vb] [det] | 35 |
|
| 2 | it necessary [verb] this | 6 |
|
| 3 | it necessary [verb] that | 6 |
|
| 4 | it necessary [verb] any | 5 |
|
| 5 | it necessary [verb] such | 5 |
|
