| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [Wh det] he should [vb infin] | 22 |
|
| 2 | [prep] which he should [verb] | 14 |
|
| 3 | [prep] what he should [verb] | 8 |
|
| 4 | to [Wh det] he should [verb] | 5 |
|
