| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] by [v-ing] [art] | 2230 |
|
| 2 | by [v-ing] at [art] | 252 |
|
| 3 | [vb pp] by [v-ing] at | 81 |
|
| 4 | [vb pp] [v-ing] at [art] | 63 |
|
