| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [v-ing] a [noun] | 4139 |
|
| 2 | [conj] [v-ing] [art] [noun prp] | 318 |
|
| 3 | [conj] [verb] a [noun prp] | 212 |
|
