| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be something [Wh det] could | 9 |
|
| 2 | [be] something [Wh det] could | 9 |
|
| 3 | [be] something which could | 9 |
|
| 4 | was something [Wh det] could | 6 |
|
| 5 | [was/were] something [Wh det] could | 6 |
|
