| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could have [vb pp] a | 170 |
|
| 2 | which [vb mod] have [vb pp] a | 67 |
|
| 3 | which [modal v] have [vb pp] a | 67 |
|
| 4 | which could have [vb pp] [art] | 24 |
|
| 5 | which could have [vb pp] [art] | 24 |
|
| 6 | which could have [vb pp] a | 10 |
|
| 7 | which could [vb infin] [vb pp] a | 10 |
|
| 8 | which could have [verb] a | 10 |
|
| 9 | which could [verb] [vb pp] a | 10 |
|
| 10 | which could have [vb pp] a | 10 |
|
| 11 | which could have [vb pp] a | 10 |
|
