| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [adj] [prep] [det] | 636 |
|
| 2 | must [verb] been [adj] [prep] | 170 |
|
| 3 | must [verb] been [prep] [det] | 26 |
|
| 4 | must [verb] [adj] [prep] [det] | 9 |
|
