| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is often possible [to-vb] the | 9 |
|
| 2 | [be] often possible [to-vb] the | 9 |
|
| 3 | [is] often possible [to-vb] the | 9 |
|
| 4 | be often possible [to-vb] the | 9 |
|
| 5 | often possible [to-vb] the [noun] | 5 |
|
