| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] [not/n't] necessary [verb] the | 37 |
|
| 2 | it [is] [not/n't] necessary [to-vb] the | 37 |
|
| 3 | it is [not/n't] necessary [verb] the | 37 |
|
| 4 | it [is] [not/n't] necessary [verb] the | 37 |
|
| 5 | it [is] not necessary [verb] the | 36 |
|
