| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it was [prep] the [adj] | 516 |
|
| 2 | it was necessary [prep] the | 26 |
|
| 3 | was necessary [prep] the [adj] | 18 |
|
| 4 | it was necessary [prep] [adj] | 7 |
|
