| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [pron] could [vb infin] | 3897 |
|
| 2 | [verb] which [vb mod] [vb infin] | 350 |
|
| 3 | [verb] which [modal v] [vb infin] | 350 |
|
| 4 | [verb] which could [verb] | 44 |
|
| 5 | [verb] which could [vb infin] | 44 |
|
