| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could have a | 388 |
|
| 2 | which [modal v] have a | 129 |
|
| 3 | which could [vb infin] a | 125 |
|
| 4 | which could [verb] a | 125 |
|
| 5 | which could have [art] | 12 |
|
| 6 | which could have a | 10 |
|
