| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb past] [prep] a | 12637 |
|
| 2 | when [pron] [vb past] [prep] | 5607 |
|
| 3 | when [pron] [vb past] a | 992 |
|
| 4 | when [pron] [prep] a | 9 |
|
