| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] [conj] [v-ing] | 382 |
|
| 2 | [subord] [subord] [v-ing] | 375 |
|
| 3 | [conj] when [v-ing] | 282 |
|
| 4 | [subord] when [verb] | 138 |
|
| 5 | [subord] when [v-ing] | 69 |
|
