| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [pron] should [vb infin] [verb] | 86 |
|
| 2 | [prep] what [pron] should [vb infin] | 73 |
|
| 3 | [prep] what [pron] should [verb] | 73 |
|
| 4 | [prep] [pron] should [vb infin] [verb] | 14 |
|
