| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] a | 25877 |
|
| 2 | [verb] a [unc] | 1632 |
|
| 3 | be [verb] [unc] | 1625 |
|
| 4 | be a [unc] | 845 |
|
