| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have had the effect | 13 |
|
| 2 | [modal v] have had the effect | 13 |
|
| 3 | [vb mod] have had the effect | 13 |
|
| 4 | [modal v] have had the effect | 13 |
|
| 5 | would have had the effect | 10 |
|
| 6 | would have had the effect | 10 |
|
