| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a [adj] [adj] [noun] | 68802 |
|
| 2 | [art] necessary [adj] [noun] | 329 |
|
| 3 | [art] necessary [adj] [noun] | 329 |
|
| 4 | a necessary [adj] [noun] | 28 |
|
