| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] could [verb] [adj] [noun] | 124 |
|
| 2 | [Wh det] [modal v] [verb] [adj] [n mass] | 56 |
|
| 3 | [pron] could [verb] [adj] [n mass] | 42 |
|
