| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [v-ing] [pron] [vb infin] | 497 |
|
| 2 | by [v-ing] [pron] [verb] | 479 |
|
| 3 | by [verb] [pron] [vb infin] | 76 |
|
