| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [Wh det] [pron] could | 342 |
|
| 2 | an [noun] [Wh det] [pron] | 215 |
|
| 3 | an [noun] [pron] could | 122 |
|
| 4 | an [noun] [Wh det] could | 45 |
|
