| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [prep] [Wh det] could [vb infin] | 32 |
|
| 2 | [noun] [prep] what could [vb infin] | 29 |
|
| 3 | [noun] of [Wh det] could [vb infin] | 24 |
|
| 4 | [noun] [prep] [Wh det] could have | 17 |
|
| 5 | [noun] [prep] which could [vb infin] | 15 |
|
| 6 | [noun pl] [prep] [Wh det] could [vb infin] | 10 |
|
| 7 | [noun] to [Wh det] could [vb infin] | 6 |
|
| 8 | [noun] [prep] [Wh det] could happen | 5 |
|
