| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] [vb mod] have been [adj] | 411 |
|
| 2 | [noun pl] [modal v] have been [adj] | 411 |
|
| 3 | [noun] must have been [adj] | 210 |
|
| 4 | [noun pl] must have be [adj] | 53 |
|
| 5 | [noun pl] must [verb] been [adj] | 53 |
|
| 6 | [noun pl] must have been [adj] | 53 |
|
| 7 | [noun pl] must have [been] [adj] | 53 |
|
| 8 | [noun pl] must have [be] [adj] | 53 |
|
