| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [verb] been [adv] [adj] | 321 |
|
| 2 | they [verb] been [adv] [adj] | 179 |
|
| 3 | they must [verb] been [adj] | 28 |
|
| 4 | they must [verb] been [adv] | 25 |
|
| 5 | they must [verb] [adv] [adj] | 12 |
|
