| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [adv] as | 19201 |
|
| 2 | [adv] [adv] required | 129 |
|
| 3 | [adv] as required | 31 |
|
| 4 | [adv] as required | 20 |
|
