| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] do [pron] [vb infin] [prep] | 230 |
|
| 2 | when do [pron] [vb infin] [prep] | 53 |
|
| 3 | [coord] when do [pron] [vb infin] | 42 |
|
