| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could have [verb] a | 273 |
|
| 2 | could have [vb pp] a | 273 |
|
| 3 | [vb mod] have given a | 41 |
|
| 4 | [modal v] have given a | 41 |
|
| 5 | could have given [art] | 12 |
|
| 6 | could have given [art] | 12 |
|
| 7 | could have given a | 7 |
|
| 8 | could have given a | 6 |
|
| 9 | could have given a | 6 |
|
| 10 | could [verb] given a | 6 |
|
| 11 | could [vb infin] given a | 6 |
|
| 12 | could have give a | 6 |
|
