| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who be [noun] in | 66 |
|
| 2 | who be [noun pl] in | 37 |
|
| 3 | [pron] be specialists in | 12 |
|
| 4 | who be specialists [prep] | 7 |
|
| 5 | who [be] specialists in | 6 |
|
| 6 | who be specialist in | 6 |
|
