| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [vb pp] [prep] | 3154 |
|
| 2 | when [vb pp] [prep] | 3154 |
|
| 3 | [conj] [vb pp] on | 2383 |
|
| 4 | [subord] [vb pp] on | 662 |
|
| 5 | when [verb] on | 237 |
|
| 6 | when [vb pp] on | 99 |
|
| 7 | when [vb pp] on | 99 |
|
