| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] a | 1677 |
|
| 2 | be [vb pp] [num ord] | 538 |
|
| 3 | [vb pp] a [num ord] | 397 |
|
| 4 | be a [num ord] | 151 |
|
