| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] has had a [adj] [noun] | 15 |
|
| 2 | [noun pl] [vb -s] had a [adj] [noun sg] | 15 |
|
| 3 | [noun pl] [vb -s] had a [adj] effect | 6 |
|
| 4 | [noun pl] [vb -s] had a [adj] effect | 6 |
|
