| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] staff have [vb pp] [verb] | 5 |
|
| 2 | staff have [be] [vb pp] [verb] | 11 |
|
| 3 | staff have [been] [vb pp] [verb] | 11 |
|
| 4 | staff have been [vb pp] [verb] | 11 |
|
| 5 | staff have be [vb pp] [verb] | 11 |
|
