| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [verb] [adv prt] [prep] | 20051 |
|
| 2 | [adv] necessary [verb] [prep] | 64 |
|
| 3 | [adv] necessary [verb] [adv prt] | 39 |
|
| 4 | necessary [verb] [adv prt] [prep] | 33 |
|
