| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] not necessary [to-vb] that | 12 |
|
| 2 | [pers pn] [is] not necessary [to-vb] that | 12 |
|
| 3 | it [is] not necessary [to-vb] that | 12 |
|
| 4 | [pron] [is] not necessary [to-vb] that | 12 |
|
| 5 | [is] not necessary [to-vb] that [art] | 8 |
|
| 6 | [is] not necessary [to-vb] that [art] | 8 |
|
| 7 | [is] not necessary [to-vb] that the | 6 |
|
| 8 | [is] not necessary [to-vb] that the | 6 |
|
