| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adv] [v-ing] [noun sg] | 433 |
|
| 2 | at [adv] [verb] [noun sg] | 93 |
|
| 3 | at [adv] [v-ing] [noun] | 16 |
|
| 4 | at [adv] [v-ing] [noun sg] | 8 |
|
