| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [Wh det] [pers pn] [verb] | 18817 |
|
| 2 | [Wh det] [pers pn] could [verb] | 1080 |
|
| 3 | [prep] [Wh det] [pers pn] could | 704 |
|
| 4 | [prep] [pers pn] could [verb] | 276 |
|
| 5 | [prep] [Wh det] could [verb] | 96 |
|
