| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [pron] [vb base] [prep] [art] | 970 |
|
| 2 | [pron] [vb base] [prep] [art] [num ord] | 360 |
|
| 3 | when [pron] [vb base] [art] [num ord] | 24 |
|
