| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | referred to [prep] | 1915 |
|
| 2 | referred to [prep] | 1915 |
|
| 3 | [verb] to for | 139 |
|
| 4 | [vb pp] to for | 36 |
|
| 5 | refer to for | 10 |
|
| 6 | referred [prep] for | 6 |
|
| 7 | referred to for | 6 |
|
