| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [prep] an [adj] | 1682 |
|
| 2 | when [v-ing] [prep] [adj] | 177 |
|
| 3 | when [v-ing] an [adj] | 36 |
|
| 4 | when [v-ing] [prep] an | 29 |
|
