| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [modal v] [vb infin] to | 1157 |
|
| 2 | [pron] should [vb infin] to | 594 |
|
| 3 | [Wh det] should [vb infin] [prep] | 95 |
|
| 4 | [Wh det] should [verb] to | 30 |
|
