| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] should [be] [vb pp] [prep] [adj] | 5 |
|
| 2 | who should [be] [verb] [prep] [adj] | 5 |
|
| 3 | [Wh pn] should be [verb] [prep] [adj] | 5 |
|
