| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] is not necessary [verb] | 167 |
|
| 2 | and [pers pn] is not [verb] | 55 |
|
| 3 | and [pers pn] is necessary [verb] | 23 |
|
| 4 | and [pers pn] is not necessary | 10 |
|
