| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | reference [is] [vb pp] to [art] [adj] | 8 |
|
| 2 | reference [is] [vb pp] to [art] [adj] | 8 |
|
| 3 | reference [is] [vb pp] to the [adj] | 7 |
|
| 4 | reference [is] [vb pp] to the [adj] | 7 |
|
