| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] be [vb pp] of | 1678 |
|
| 2 | [pron] be professor of | 28 |
|
| 3 | be [vb pp] professor of | 17 |
|
| 4 | [pron] be [vb pp] professor | 13 |
|
