| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [adj] [verb] [det] | 290 |
|
| 2 | it necessary [verb] [adj] | 55 |
|
| 3 | [pron] necessary [verb] [det] | 35 |
|
| 4 | it necessary [verb] [det] | 35 |
|
| 5 | [pers pn] necessary [verb] [det] | 35 |
|
