| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] that it [is] necessary for | 10 |
|
| 2 | [vb infin] that it [is] necessary for | 7 |
|
| 3 | that it [is] [adv] necessary for | 7 |
|
| 4 | that it [is] necessary for [pron] | 7 |
|
| 5 | that it [is] necessary for [pers pn] | 6 |
|
