| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [pron] [vb base] [prep] [art] | 971 |
|
| 2 | [pron] [vb base] [prep] [art] first | 110 |
|
| 3 | when [pron] [vb base] [art] first | 8 |
|
