| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could be [verb] to | 180 |
|
| 2 | could be [verb] to be | 153 |
|
| 3 | [pron] could [verb] to be | 73 |
|
| 4 | [pron] could be [verb] be | 16 |
|
| 5 | [pron] be [verb] to be | 7 |
|
