| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] often as | 321 |
|
| 2 | as often as | 305 |
|
| 3 | as often as | 305 |
|
| 4 | so often as | 6 |
|
| 5 | so often as | 6 |
|
