| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [noun] [prep] an | 641 |
|
| 2 | [v-ing] [noun] by [art] | 259 |
|
| 3 | [v-ing] [noun] by [art] | 259 |
|
| 4 | [v-ing] [noun] by a | 58 |
|
| 5 | [verb] [noun] by an | 44 |
|
