| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [vb infin] | 414107 |
|
| 2 | when [verb] | 1816 |
|
| 3 | [Wh adv] [vb infin] | 839 |
|
| 4 | when [vb infin] | 5 |
|
