| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | referred [prep] [prep] the [noun] | 400 |
|
| 2 | referred [prep] [prep] the [noun] | 400 |
|
| 3 | [verb] [prep] at the [noun] | 171 |
|
| 4 | [vb pp] [prep] at the [noun] | 87 |
|
| 5 | refer [prep] at the [noun] | 11 |
|
| 6 | referred [prep] at the [noun] | 9 |
|
| 7 | referred [prep] at the [noun] | 9 |
|
| 8 | referred [prep] at the [noun] | 9 |
|
| 9 | referred [prep] at [art] [noun] | 9 |
|
| 10 | referred [prep] at [art] [noun] | 9 |
|
