| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] should [vb infin] [be] | 139 |
|
| 2 | [Wh det] you should [vb infin] | 117 |
|
| 3 | you should [vb infin] [be] | 96 |
|
| 4 | [Wh det] you should [be] | 33 |
|
