| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adv] possible [verb] | 1263 |
|
| 2 | be often [adj] [verb] | 463 |
|
| 3 | be often [adj] [verb] | 424 |
|
| 4 | be often possible [verb] | 42 |
|
| 5 | [be] often possible [verb] | 42 |
|
