| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [v-ing] at [art] [noun] [Wh adv] | 14 |
|
| 2 | [prep] [v-ing] at [art] [noun sg] [Wh adv] | 13 |
|
| 3 | [prep] [verb] at [art] time [Wh adv] | 7 |
|
| 4 | [prep] [v-ing] at [art] time [Wh adv] | 6 |
|
| 5 | [prep] [v-ing] at [art] time [Wh adv] | 6 |
|
| 6 | [prep] [v-ing] at [art] time [Wh adv] | 6 |
|
| 7 | [prep] [v-ing] at [art] time [adv] | 6 |
|
| 8 | [prep] [v-ing] [prep] [art] time [Wh adv] | 6 |
|
