| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] to [be] [verb] | 4311 |
|
| 2 | could be [verb] to [be] | 153 |
|
| 3 | could [verb] to [be] [verb] | 35 |
|
| 4 | could be [verb] [be] [verb] | 23 |
|
| 5 | could be [verb] to [verb] | 8 |
|
