| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [be] [verb] to | 892 |
|
| 2 | this could [be] [verb] | 320 |
|
| 3 | this could [verb] to | 68 |
|
| 4 | this [be] [verb] to | 9 |
|
