| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [v-ing] [prep] [det] | 64 |
|
| 2 | when [v-ing] [prep] [det] | 64 |
|
| 3 | [conj] [v-ing] at [det] | 63 |
|
| 4 | when [v-ing] at [adj] | 33 |
|
| 5 | when [verb] at [det] | 8 |
|
| 6 | when [v-ing] at [det] | 5 |
|
