| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] could [verb] | 1704 |
|
| 2 | scheme [Wh det] [verb] | 181 |
|
| 3 | scheme could [verb] | 32 |
|
| 4 | scheme [Wh det] could | 9 |
|
