| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] to by a | 20 |
|
| 2 | be [vb pp] to by a | 20 |
|
| 3 | be [verb] to by a | 6 |
|
| 4 | be refer to by a | 6 |
|
| 5 | be referred to by a | 6 |
|
