| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [Wh det] [pers pn] [modal v] | 2331 |
|
| 2 | [verb] [Wh det] [pers pn] [vb mod] | 2331 |
|
| 3 | [verb] [pron] [pers pn] could | 784 |
|
| 4 | [verb] [Wh det] [pron] could | 352 |
|
| 5 | [verb] [Wh det] [pers pn] could | 349 |
|
