| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what he [modal v] [vb infin] | 536 |
|
| 2 | what [pron] should [vb infin] | 407 |
|
| 3 | [pron] he should [vb infin] | 96 |
|
| 4 | what he should [verb] | 44 |
|
