| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | this [is] [verb] in | 550 |
|
| 2 | [is] often [verb] in | 146 |
|
| 3 | this [is] often [verb] | 68 |
|
| 4 | this often [verb] in | 10 |
|
