| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when do [pron] [adv] [verb] [pron] | 8 |
|
| 2 | when do [pron] [adv] [verb] [pers pn] | 7 |
|
| 3 | when do [pron] [adv] [verb] [adv] | 5 |
|
