| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have had [art] [adj] effect | 21 |
|
| 2 | [modal v] have had [art] [adj] effect | 21 |
|
| 3 | would have had [art] [adj] effect | 9 |
|
| 4 | would have had [art] [adj] effect | 9 |
|
| 5 | have had [art] [adj] effect [prep] | 18 |
|
| 6 | have had [art] [adj] effect [prep] | 18 |
|
| 7 | have had [art] [adj] effect on | 16 |
|
| 8 | have had [art] [adj] effect on | 16 |
|
