| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] be [verb] to [be] | 600 |
|
| 2 | could [adv] be [verb] to | 237 |
|
| 3 | could be [verb] to [be] | 152 |
|
| 4 | could [adv] [verb] to [be] | 126 |
|
