| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] could [noun prp] | 14 |
|
| 2 | what could [noun prp] | 10 |
|
| 3 | [pers pn] could [noun prp] | 10 |
|
| 4 | what could [noun prp] | 10 |
|
