| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it was necessary [to-vb] | 274 |
|
| 2 | that it was necessary | 62 |
|
| 3 | that it was [to-vb] | 61 |
|
| 4 | that was necessary [to-vb] | 7 |
|
