| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [noun prp] at the [noun] | 46 |
|
| 2 | [v-ing] [noun prp] at the [noun sg] | 39 |
|
| 3 | [v-ing] [noun prp] at the time | 7 |
|
| 4 | [v-ing] [noun prp] at the time | 7 |
|
| 5 | [v-ing] [noun prp] at the [noun prp] | 5 |
|
