| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [adj] [prep] [adj] | 3515 |
|
| 2 | necessary [conj] [adj] [prep] | 44 |
|
| 3 | necessary [conj] [prep] [adj] | 7 |
|
| 4 | necessary [conj] [adj] [adj] | 5 |
|
