| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] is not necessary [to-vb] | 175 |
|
| 2 | [pers pn] is necessary [to-vb] that | 43 |
|
| 3 | is not necessary [to-vb] that | 12 |
|
| 4 | [pers pn] is not necessary that | 7 |
|
