| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [prep] a [no cls] | 334 |
|
| 2 | [vb pp] by [art] [no cls] | 201 |
|
| 3 | [verb] by a [no cls] | 45 |
|
| 4 | [vb pp] by a [unc] | 41 |
|
