| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when [pron] [verb] [adv] [num ord] [noun prp] | 5 |
|
| 2 | when [pron] [verb] [num ord] [vb pp] [noun prp] | 6 |
|
| 3 | when [pron] [verb] [num ord] [verb] [noun prp] | 6 |
|
