| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had had a [adj] [noun] | 208 |
|
| 2 | had had a [adj] [noun sg] | 200 |
|
| 3 | [verb] had a [adj] effect | 123 |
|
| 4 | have had a [adj] effect | 123 |
|
| 5 | had had [art] [adj] effect | 13 |
|
| 6 | had had [art] [adj] effect | 13 |
|
| 7 | had [vb pp] a [adj] effect | 11 |
|
| 8 | had [verb] a [adj] effect | 11 |
|
| 9 | had had a [adj] effect | 9 |
|
| 10 | had had a [adj] effect | 8 |
|
| 11 | had have a [adj] effect | 8 |
|
| 12 | [vb past] had a [adj] effect | 8 |
|
