| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] should [be] [vb pp] | 575 |
|
| 2 | should [be] [vb pp] [adj] | 426 |
|
| 3 | [Wh det] [be] [vb pp] [adj] | 337 |
|
| 4 | [Wh det] should [be] [adj] | 85 |
|
