| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] [noun sg] when it [verb] | 17 |
|
| 2 | [noun prp] [noun sg] when it [verb] | 17 |
|
| 3 | [noun prp] [noun sg] when it [vb past] | 10 |
|
| 4 | [noun prp] [noun sg] when it [vb -s] | 7 |
|
