| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] had a [adj] effect | 140 |
|
| 2 | have had a [adj] effect | 140 |
|
| 3 | to have had a [adj] [noun] | 73 |
|
| 4 | to have had a [adj] [noun sg] | 71 |
|
| 5 | to have had [art] [adj] effect | 19 |
|
| 6 | [to-vb] had a [adj] effect | 14 |
|
| 7 | to have have a [adj] effect | 14 |
|
| 8 | to have [verb] a [adj] effect | 14 |
|
| 9 | to have [vb pp] a [adj] effect | 14 |
|
| 10 | to have had a [adj] effect | 14 |
|
