| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to [Wh det] [pron] [vb mod] [verb] | 446 |
|
| 2 | to [Wh det] [pron] [modal v] [verb] | 446 |
|
| 3 | [prep] [Wh det] [pron] should [verb] | 142 |
|
| 4 | to [pron] [pron] should [verb] | 47 |
|
| 5 | to [Wh det] [pron] should [verb] | 30 |
|
