| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [to-vb] had a [adj] effect | 11 |
|
| 2 | seem [to-vb] had a [adj] effect | 6 |
|
| 3 | [to-vb] had a [adj] effect [prep] | 9 |
|
| 4 | [to-vb] had a [adj] effect [prep] | 9 |
|
| 5 | [to-vb] had a [adj] effect on | 6 |
|
| 6 | [to-vb] had a [adj] effect on | 6 |
|
