| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] be for [art] | 616 |
|
| 2 | be necessary for [art] | 328 |
|
| 3 | [pers pn] be necessary for | 192 |
|
| 4 | [pers pn] necessary for [art] | 15 |
|
