| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] for [pers pn] | 272 |
|
| 2 | it [be] necessary for | 187 |
|
| 3 | [be] necessary for [pers pn] | 88 |
|
| 4 | it necessary for [pers pn] | 11 |
|
