| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [adv] possible [to-vb] | 1027 |
|
| 2 | [is] often possible [to-vb] | 42 |
|
| 3 | [is] often [adv] possible | 15 |
|
| 4 | often [adv] possible [to-vb] | 7 |
|
