| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is not [adv] [adj] [verb] | 409 |
|
| 2 | is [adv] [adv] necessary [verb] | 50 |
|
| 3 | is [not/n't] [adv] necessary [verb] | 25 |
|
| 4 | is not [adv] necessary [verb] | 25 |
|
| 5 | [be] not [adv] necessary [verb] | 24 |
|
| 6 | be not [adv] necessary [verb] | 24 |
|
| 7 | [is] not [adv] necessary [verb] | 21 |
|
| 8 | is not [adv] necessary [verb] | 20 |
|
