| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when do [pron] [adv] [verb] | 26 |
|
| 2 | when do [pers pn] [adv] [verb] | 26 |
|
| 3 | when do [pron] [adv] [vb infin] | 25 |
|
| 4 | when did [pron] [adv] [verb] | 21 |
|
| 5 | when do you [adv] [verb] | 20 |
|
| 6 | when do you [adv] [verb] | 20 |
|
| 7 | when do [pron] ever [verb] | 17 |
|
| 8 | when do [pron] actually [verb] | 7 |
|
| 9 | when do [pron] [adv] [verb] | 5 |
|
