| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it [verb] [vb infin] | 1200 |
|
| 2 | when it [verb] [verb] | 538 |
|
| 3 | when [pron] [verb] [vb infin] | 494 |
|
| 4 | when [pers pn] [verb] [vb infin] | 489 |
|
| 5 | when it [verb] [vb infin] | 51 |
|
