| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [verb] | 75368 |
|
| 2 | be [verb] a | 25877 |
|
| 3 | [vb pp] [verb] a | 9175 |
|
| 4 | be [vb pp] a | 7885 |
|
