| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] it [be] not [adj] [verb] | 197 |
|
| 2 | [conj] it [be] not necessary [verb] | 52 |
|
| 3 | [coord] it [be] [adv] necessary [verb] | 48 |
|
| 4 | [coord] [pron] [be] not necessary [verb] | 12 |
|
| 5 | [coord] it [be] not necessary [verb] | 12 |
|
| 6 | [coord] it [be] not necessary [verb] | 12 |
|
| 7 | [coord] [pers pn] [be] not necessary [verb] | 12 |
|
| 8 | [coord] it [be] [not/n't] necessary [verb] | 12 |
|
