| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | by [v-ing] a | 4542 |
|
| 2 | [v-ing] a [no cls] | 263 |
|
| 3 | by [v-ing] [no cls] | 119 |
|
| 4 | by a [no cls] | 66 |
|
