| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] refer to [prep] | 211 |
|
| 2 | [prep] [noun sg] refer [prep] | 74 |
|
| 3 | [prep] [noun sg] refer to | 69 |
|
| 4 | [prep] [noun sg] to [prep] | 49 |
|
