| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] have had a [adj] effect | 19 |
|
| 2 | [noun pl] have have a [adj] effect | 17 |
|
| 3 | [noun pl] have have a [adj] effect | 11 |
|
| 4 | [noun pl] has have a [adj] effect | 6 |
|
