| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [prep] a [noun sg] [unc] | 265 |
|
| 2 | [verb] [prep] a [noun sg] er | 32 |
|
| 3 | [v-ing] [prep] [art] [noun sg] er | 31 |
|
| 4 | [v-ing] [prep] a [noun] er | 8 |
|
