| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [prep] [Wh det] [modal v] | 482 |
|
| 2 | [det] [prep] [Wh det] [vb mod] | 482 |
|
| 3 | [det] [prep] [pron] could | 203 |
|
| 4 | [adj] [prep] [Wh det] could | 63 |
|
| 5 | [det] [prep] [Wh det] could | 31 |
|
| 6 | [det] [prep] [Wh det] could | 31 |
|
