| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [art] [noun] [Wh adv] [art] | 684 |
|
| 2 | at [art] [noun sg] [Wh adv] [art] | 669 |
|
| 3 | [prep] [art] time [Wh adv] [art] | 572 |
|
| 4 | [prep] [art] time [Wh adv] [art] | 572 |
|
| 5 | at [art] time [Wh adv] [art] | 485 |
|
| 6 | at [art] time [adv] [art] | 481 |
|
| 7 | at [art] time [Wh adv] [art] | 480 |
|
