| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is possible [to-vb] | 1915 |
|
| 2 | is [to-vb] [adv] | 1848 |
|
| 3 | possible [to-vb] [adv] | 623 |
|
| 4 | is possible [adv] | 121 |
|
