| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [pron] time [pron] [verb] | 10 |
|
| 2 | at [Wh det] time [pron] [verb] | 10 |
|
| 3 | at [pron] time [pers pn] [verb] | 8 |
|
| 4 | at [pron] time [pron] [vb past] | 7 |
|
| 5 | at which time [pron] [verb] | 6 |
|
| 6 | at which time [pron] [verb] | 6 |
|
