| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [pron] [vb past] [prep] [pos pn] | 385 |
|
| 2 | [pron] [vb past] [prep] [pos pn] first | 96 |
|
| 3 | when [pron] [vb past] [pos pn] first | 66 |
|
