| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when do [pron] do | 15 |
|
| 2 | when [verb] [pers pn] do | 15 |
|
| 3 | when did [pron] do | 9 |
|
| 4 | when [vb past] [pron] do | 9 |
|
| 5 | when [vb base] [pron] do | 6 |
|
| 6 | when [verb] you do | 6 |
|
| 7 | when do [pron] do | 5 |
|
| 8 | when [verb] you do | 5 |
|
