| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] time when | 1985 |
|
| 2 | [prep] [art] time when | 1985 |
|
| 3 | at [art] [noun] when | 1726 |
|
| 4 | at [art] time [adv] | 1726 |
|
| 5 | at [art] time [Wh adv] | 1619 |
|
| 6 | at [art] time when | 1607 |
|
| 7 | at [art] time when | 1607 |
|
| 8 | at [art] time when | 1607 |
|
