| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [verb] [vb pp] [noun sg] | 627 |
|
| 2 | could [verb] [vb pp] [noun sg] | 131 |
|
| 3 | [Wh det] could [verb] [vb pp] | 124 |
|
| 4 | [Wh det] could [verb] [noun sg] | 105 |
|
