| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] often [verb] | 228 |
|
| 2 | as is [adv] [verb] | 189 |
|
| 3 | as [adv] often [verb] | 36 |
|
| 4 | as is [adv] often | 31 |
|
| 5 | as is often [verb] | 28 |
|
