| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [det] be [adj] | 26 |
|
| 2 | could all [be] [adj] | 12 |
|
| 3 | could this [be] [adj] | 8 |
|
| 4 | could [det] [be] true | 5 |
|
