| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] when it [vb past] [verb] | 26 |
|
| 2 | [adv] when it [vb past] [verb] | 20 |
|
| 3 | [adv] when it [vb past] [vb pp] | 9 |
|
| 4 | [adv] when it had [verb] | 8 |
|
| 5 | [adv] when it [vb past] [to-vb] | 8 |
|
| 6 | [adv] when it [vb past] [v-ing] | 6 |
|
| 7 | [adv prt] when it [vb past] [verb] | 6 |
|
| 8 | especially when it [vb past] [verb] | 5 |
|
| 9 | especially when it [vb past] [verb] | 5 |
|
