| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | scheme could [be] [verb] [prep] | 9 |
|
| 2 | scheme could be [verb] [prep] | 9 |
|
| 3 | scheme could be [verb] [prep] | 9 |
|
| 4 | scheme could [be] [verb] [prep] | 9 |
|
