| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if and when it [vb past] | 5 |
|
| 2 | if [coord] when it [vb past] | 5 |
|
| 3 | if [conj] when it [vb past] | 5 |
|
| 4 | if and when it [vb past] | 5 |
|
