| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [verb] [adv prt] [adj] | 2507 |
|
| 2 | [adv] necessary [verb] [adj] | 111 |
|
| 3 | [adv] necessary [verb] [adv prt] | 39 |
|
| 4 | necessary [verb] [adv prt] [adj] | 25 |
|
