| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [conj] it is necessary for | 10 |
|
| 2 | [vb infin] [conj] it is necessary for | 6 |
|
| 3 | [conj] it is [adv] necessary for | 19 |
|
| 4 | [conj] it is [not/n't] necessary for | 11 |
|
| 5 | [conj] it is not necessary for | 11 |
|
| 6 | [conj] it is not necessary for | 10 |
|
| 7 | [conj] it is [adv] necessary for | 8 |
|
| 8 | [conj] it is necessary for [pron] | 11 |
|
| 9 | [conj] it is necessary for [art] | 10 |
|
| 10 | [conj] it is necessary for [art] | 10 |
|
| 11 | [conj] it is necessary for [pers pn] | 9 |
|
| 12 | [conj] it is necessary for the | 8 |
|
| 13 | [conj] it is necessary for the | 8 |
|
| 14 | [conj] it is necessary for [adj] | 6 |
|
