| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] must [verb] been [adv] [adj] | 173 |
|
| 2 | [pers pn] must [verb] been [adv] [adj] | 154 |
|
| 3 | they [modal v] [verb] been [adv] [adj] | 53 |
|
| 4 | they [vb mod] [verb] been [adv] [adj] | 53 |
|
| 5 | they must [verb] been [adv] [adj] | 19 |
|
| 6 | they must [verb] [be] [adv] [adj] | 18 |
|
| 7 | they must [verb] be [adv] [adj] | 18 |
|
| 8 | they must [verb] been [adv] [adj] | 18 |
|
| 9 | they must [verb] [been] [adv] [adj] | 18 |
|
