| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] a [adj] effort [to-vb] | 186 |
|
| 2 | have [verb] [adj] effort [to-vb] | 47 |
|
| 3 | have [verb] a [adj] effort | 41 |
|
| 4 | have [verb] a [adj] [to-vb] | 7 |
|
