| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] could [be] [adj] | 82 |
|
| 2 | [Wh det] could [be] [adj] | 82 |
|
| 3 | [Wh det] could be [adj] | 82 |
|
| 4 | [Wh det] could be [adj] | 82 |
|
| 5 | which could [be] [adj] | 74 |
|
| 6 | [Wh det] could [be] useful | 8 |
|
| 7 | what could [be] [adj] | 8 |
|
