| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | professor of [noun] at the [adj] | 17 |
|
| 2 | professor of [noun sg] at the [adj] | 17 |
|
| 3 | professor of [noun] at the royal | 12 |
|
| 4 | professor of [noun] at the royal | 12 |
|
