| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [is] [adj] | 2607 |
|
| 2 | [adv] [is] [adj] | 1442 |
|
| 3 | [adv] [be] necessary | 238 |
|
| 4 | [adv] [is] necessary | 10 |
|
| 5 | [adv] [is] necessary | 10 |
|
