| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it was necessary [prep] the [adj] | 7 |
|
| 2 | it was necessary [prep] the [adj] | 7 |
|
| 3 | it was necessary for the [adj] | 6 |
|
| 4 | it was necessary [prep] the [adj] | 6 |
|
| 5 | it was necessary for the [adj] | 6 |
|
