| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may have [adj] [noun] | 303 |
|
| 2 | [vb mod] have [adj] effect | 135 |
|
| 3 | [modal v] have [adj] effect | 135 |
|
| 4 | may have [adj] effect | 39 |
|
| 5 | may [verb] [adj] effect | 29 |
|
| 6 | may have [adj] effect | 26 |
|
