| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [vb infin] [adv] when | 162 |
|
| 2 | [vb mod] [vb infin] when they | 62 |
|
| 3 | [vb infin] [adv] when they | 25 |
|
| 4 | [vb mod] [vb infin] [adv] they | 20 |
|
