| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be referred [prep] in the | 133 |
|
| 2 | be refer to in the | 133 |
|
| 3 | are refer [prep] in the | 75 |
|
| 4 | is refer [prep] in the | 22 |
|
| 5 | were refer [prep] in the | 14 |
|
| 6 | be refer [prep] in the | 8 |
|
| 7 | was refer [prep] in the | 8 |
|
| 8 | been refer [prep] in the | 5 |
|
