| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] could be [verb] | 3022 |
|
| 2 | could be [verb] to | 892 |
|
| 3 | [noun pl] could [verb] to | 170 |
|
| 4 | [noun pl] be [verb] to | 89 |
|
