| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] is not [verb] | 1324 |
|
| 2 | [pers pn] is necessary [verb] | 1050 |
|
| 3 | [pers pn] is not necessary | 248 |
|
| 4 | is not necessary [verb] | 182 |
|
