| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to [Wh det] [pers pn] [modal v] [verb] | 410 |
|
| 2 | [Wh det] [pers pn] [modal v] [verb] a | 212 |
|
| 3 | to [Wh det] [pers pn] [verb] a | 43 |
|
| 4 | to [pers pn] [modal v] [verb] a | 9 |
|
