| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] be [noun] | 2587 |
|
| 2 | [Wh det] could be | 1561 |
|
| 3 | could be [noun] | 542 |
|
| 4 | [Wh det] could [noun] | 24 |
|
