| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [noun] [vb past] [verb] [prep] | 123 |
|
| 2 | [conj] [noun] [vb past] return [prep] | 46 |
|
| 3 | when [noun] [verb] return [prep] | 8 |
|
| 4 | when [noun] [vb past] return [prep] | 8 |
|
