| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is necessary [verb] that | 43 |
|
| 2 | [pers pn] is necessary [to-vb] that | 43 |
|
| 3 | [pers pn] is necessary [verb] that | 43 |
|
| 4 | [pers pn] is necessary to ensure that | 9 |
|
| 5 | [pers pn] is necessary ensure that | 9 |
|
| 6 | [pers pn] is necessary show that | 7 |
|
| 7 | [pers pn] is necessary to show that | 7 |
|
