| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [adj] for [art] | 6899 |
|
| 2 | [be] necessary [prep] [art] | 527 |
|
| 3 | [be] necessary [prep] [art] | 527 |
|
| 4 | [be] necessary for [art] | 328 |
|
