| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it was necessary for [pron] [to-vb] | 14 |
|
| 2 | it was necessary for [pron] [to-vb] | 14 |
|
| 3 | it was necessary for [pers pn] [to-vb] | 14 |
|
| 4 | it was necessary for him [to-vb] | 5 |
|
| 5 | it was necessary for he [to-vb] | 5 |
|
