| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [noun] to | 1731 |
|
| 2 | [verb] reference to | 276 |
|
| 3 | have reference [prep] | 15 |
|
| 4 | have reference [prep] | 15 |
|
| 5 | have reference to | 14 |
|
