| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] to [be] | 1708 |
|
| 2 | could [be] [verb] to | 892 |
|
| 3 | could [verb] to [be] | 156 |
|
| 4 | could [be] [verb] [be] | 73 |
|
