| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when they [verb] [verb] [num] | 12 |
|
| 2 | when they [vb past] [verb] [num] | 8 |
|
| 3 | when they [verb] [vb pp] [num] | 7 |
|
| 4 | when they have [verb] [num] | 7 |
|
| 5 | when they [verb] [to-vb] [num] | 5 |
|
