| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] been [prep] | 1268 |
|
| 2 | [modal v] [verb] [prep] [conj] | 514 |
|
| 3 | [modal v] [verb] been [conj] | 236 |
|
| 4 | [verb] been [prep] [conj] | 34 |
|
