| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] which time it | 55 |
|
| 2 | [prep] which time it | 55 |
|
| 3 | by which time it | 34 |
|
| 4 | by which time it | 34 |
|
| 5 | during which time it | 10 |
|
| 6 | during which time it | 10 |
|
| 7 | at which time it | 7 |
|
| 8 | at which time it | 7 |
|
