| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it is necessary for [pron] | 11 |
|
| 2 | that it is necessary for [pron] | 6 |
|
| 3 | [that] it is necessary for [pron] | 6 |
|
| 4 | that it is necessary for [pron] | 6 |
|
| 5 | it is [adv] necessary for [pron] | 14 |
|
| 6 | it is [not/n't] necessary for [pron] | 9 |
|
| 7 | it is not necessary for [pron] | 9 |
|
| 8 | it is not necessary for [pron] | 7 |
|
| 9 | it is [adv] necessary for [pron] | 5 |
|
| 10 | it is necessary for [pron] [to-vb] | 25 |
|
| 11 | it is necessary for [pron] [verb] | 25 |
|
