| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb past] [pron] [prep] | 17602 |
|
| 2 | when [pron] [vb past] [pron] | 5862 |
|
| 3 | when [pron] [vb past] [prep] | 5607 |
|
