| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and when do [pron] [vb infin] | 10 |
|
| 2 | and when do [pers pn] [vb infin] | 10 |
|
| 3 | and when do you [vb infin] | 8 |
|
| 4 | and when do you [vb infin] | 8 |
|
