| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] possible [to-vb] | 2017 |
|
| 2 | [is] n't possible | 33 |
|
| 3 | [is] n't [to-vb] | 33 |
|
| 4 | n't possible [to-vb] | 23 |
|
