| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] at a | 1601 |
|
| 2 | [vb infin] be [vb pp] at | 167 |
|
| 3 | [vb infin] be [vb pp] a | 104 |
|
| 4 | [vb infin] [vb pp] at a | 56 |
|
| 5 | [vb infin] be at a | 9 |
|
