| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] when [v-ing] [prep] [art] | 49 |
|
| 2 | [adj] when [v-ing] [prep] [art] | 49 |
|
| 3 | [adj] [conj] [v-ing] [prep] an | 30 |
|
| 4 | [adj] when [verb] [prep] an | 14 |
|
| 5 | [adj] when [v-ing] [prep] a | 13 |
|
