| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] that it be necessary for | 14 |
|
| 2 | [verb] that it be necessary for | 14 |
|
| 3 | [verb] that it is necessary for | 9 |
|
| 4 | [vb infin] that it be necessary for | 7 |
|
