| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [verb] been [prep] [det] | 389 |
|
| 2 | [pron] must [verb] been [prep] | 180 |
|
| 3 | [pron] must [verb] [prep] [det] | 136 |
|
| 4 | [pron] must [verb] been [det] | 79 |
|
| 5 | must [verb] been [prep] [det] | 26 |
|
