| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] [adv] [adv] when | 12 |
|
| 2 | [is] [vb pp] [adv] [adv] when | 9 |
|
| 3 | [is] [verb] [adv] [adv] when | 9 |
|
