| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | when it [adv] [vb past] [prep] [art] | 6 |
|
| 2 | when it [adv] [vb past] [prep] [art] | 6 |
|
| 3 | when it [adv] [vb past] [art] [noun] | 7 |
|
| 4 | when it [adv] [vb past] [art] [noun sg] | 7 |
|
