| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be necessary [verb] [num] | 25 |
|
| 2 | [pers pn] be necessary [to-vb] [num] | 25 |
|
| 3 | [pers pn] is necessary [verb] [num] | 18 |
|
| 4 | [pers pn] be necessary [verb] two | 14 |
|
| 5 | [pers pn] was necessary [verb] [num] | 7 |
|
| 6 | [pers pn] be necessary [verb] three | 6 |
|
| 7 | [pers pn] be necessary to distinguish [num] | 5 |
|
| 8 | [pers pn] be necessary distinguish [num] | 5 |
|
