| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | seem to have had a [adj] | 29 |
|
| 2 | to have had a [adj] effect | 14 |
|
| 3 | seem to have a [adj] effect | 11 |
|
| 4 | seem to have had [adj] effect | 5 |
|
