| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [verb] been [adj] [prep] | 194 |
|
| 2 | [pron] must [verb] been [adj] [prep] | 83 |
|
| 3 | [pers pn] must [verb] been [adj] [prep] | 71 |
|
| 4 | it must [verb] been [adj] [prep] | 45 |
|
| 5 | it must [verb] been [adj] [prep] | 36 |
|
| 6 | it must [verb] [be] [adj] [prep] | 36 |
|
| 7 | it must [verb] [been] [adj] [prep] | 36 |
|
| 8 | it must [verb] been [adj] [prep] | 36 |
|
| 9 | it must [verb] be [adj] [prep] | 36 |
|
