| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | he must [verb] been | 266 |
|
| 2 | must [verb] been [num] | 98 |
|
| 3 | he [verb] been [num] | 53 |
|
| 4 | he must [verb] [num] | 6 |
|
