| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [v-ing] [verb] | 265 |
|
| 2 | when [v-ing] [to-vb] | 213 |
|
| 3 | when [verb] to identify | 11 |
|
| 4 | [conj] [v-ing] to identify | 10 |
|
| 5 | when [v-ing] identify | 5 |
|
