| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have have [art] [adj] effect | 18 |
|
| 2 | [vb mod] have have [art] [adj] effect | 18 |
|
| 3 | [modal v] have had [art] [adj] effect | 18 |
|
| 4 | [modal v] have have [art] [adj] effect | 18 |
|
| 5 | [modal v] have have a [adj] effect | 17 |
|
| 6 | [modal v] have have a [adj] effect | 17 |
|
| 7 | would have have [art] [adj] effect | 7 |
|
| 8 | would have have [art] [adj] effect | 7 |
|
