| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could have [verb] a | 273 |
|
| 2 | could have [vb pp] a | 273 |
|
| 3 | [vb mod] have provided a | 22 |
|
| 4 | [modal v] have provided a | 22 |
|
| 5 | could have provided [art] | 10 |
|
| 6 | could have provided [art] | 10 |
|
| 7 | could have provided a | 7 |
|
| 8 | could have provide a | 6 |
|
| 9 | could [vb infin] provided a | 6 |
|
| 10 | could have provided a | 6 |
|
| 11 | could have provided a | 6 |
|
| 12 | could [verb] provided a | 6 |
|
