| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which could have [verb] the | 13 |
|
| 2 | which could [vb infin] [vb pp] the | 13 |
|
| 3 | which could help [verb] the | 7 |
|
| 4 | which could [vb infin] [vb infin] the | 5 |
|
