| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [verb] a [adj] effect | 355 |
|
| 2 | [modal v] [verb] had a [adj] | 203 |
|
| 3 | [verb] had a [adj] effect | 123 |
|
| 4 | [modal v] [verb] had [adj] effect | 11 |
|
