| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [prep] a [noun pl] | 281 |
|
| 2 | be [vb pp] [prep] by a | 190 |
|
| 3 | be [vb pp] [prep] by [noun pl] | 129 |
|
| 4 | be [vb pp] by a [noun pl] | 78 |
|
| 5 | [vb pp] [prep] by a [noun pl] | 8 |
|
