| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who [vb base] [prep] [adj] | 621 |
|
| 2 | staff who [vb base] [prep] | 35 |
|
| 3 | staff [vb base] [prep] [adj] | 27 |
|
| 4 | staff who [vb base] [adj] | 20 |
|
