| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] what [pron] should [vb infin] | 73 |
|
| 2 | [conj] what [pron] should [vb infin] | 29 |
|
| 3 | [conj] [prep] [pron] should [vb infin] | 19 |
|
| 4 | [conj] [prep] what [pron] should | 12 |
|
