| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] at a time when | 8 |
|
| 2 | it [verb] at a time when | 8 |
|
| 3 | it [verb] at [art] time when | 8 |
|
| 4 | it come at [art] time when | 5 |
|
