| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] it [is] necessary [to-vb] | 177 |
|
| 2 | [that] it [is] necessary [to-vb] | 45 |
|
| 3 | [noun] [that] it [is] necessary | 11 |
|
| 4 | [noun] [that] [is] necessary [to-vb] | 9 |
|
| 5 | [noun] [that] it [is] [to-vb] | 6 |
|
