| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] when | 279 |
|
| 2 | it [vb past] when | 132 |
|
| 3 | [pron] started when | 27 |
|
| 4 | it started [conj] | 25 |
|
| 5 | it start when | 16 |
|
| 6 | it started [subord] | 14 |
|
| 7 | it started when | 12 |
|
