| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [am/are] [vb pp] by a | 714 |
|
| 2 | and [vb pp] by a | 517 |
|
| 3 | and [am/are] [vb pp] by | 256 |
|
| 4 | and [am/are] [vb pp] a | 9 |
|
