| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | this [is] [adv] [verb] | 1031 |
|
| 2 | [is] [adv] often [verb] | 199 |
|
| 3 | this [is] often [verb] | 68 |
|
| 4 | this [is] [adv] often | 15 |
|
