| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [art] [adj] | 7489 |
|
| 2 | must [verb] [art] [adj] | 1600 |
|
| 3 | must [verb] been [adj] | 761 |
|
| 4 | must [verb] been [art] | 632 |
|
