| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] when | 279 |
|
| 2 | it begin [conj] | 26 |
|
| 3 | [pron] begin when | 25 |
|
| 4 | it begin [subord] | 19 |
|
| 5 | it begin when | 10 |
|
