| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] what [pron] [verb] [to-vb] | 460 |
|
| 2 | [prep] what [pron] should [verb] | 73 |
|
| 3 | what [pron] should [verb] [to-vb] | 23 |
|
