| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] so [conj] [art] | 176 |
|
| 2 | necessary [adv] [conj] [art] | 17 |
|
| 3 | necessary [adv] [conj] [art] | 15 |
|
| 4 | necessary so [conj] [art] | 8 |
|
