| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] [not/n't] [adj] [verb] a | 144 |
|
| 2 | it [is] [not/n't] necessary [verb] [art] | 57 |
|
| 3 | it [is] [not/n't] necessary [verb] [art] | 57 |
|
| 4 | it [is] [adv] necessary [verb] a | 42 |
|
| 5 | it [be] [not/n't] necessary [verb] a | 22 |
|
| 6 | [pron] [is] [not/n't] necessary [verb] a | 19 |
|
| 7 | it [is] [not/n't] necessary [verb] a | 19 |
|
