| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a reference to [noun] | 69 |
|
| 2 | [adv] a reference to | 30 |
|
| 3 | [adv] a reference [noun] | 5 |
|
| 4 | [adv] reference to [noun] | 5 |
|
