| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [conj] a | 1056 |
|
| 2 | [verb] when a | 749 |
|
| 3 | [v-ing] when [art] | 203 |
|
| 4 | [v-ing] when [art] | 203 |
|
| 5 | [v-ing] when a | 33 |
|
