| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adv] [v-ing] [prep] [noun sg] | 69 |
|
| 2 | at [adv] [verb] [prep] [noun sg] | 43 |
|
| 3 | at [adv] [v-ing] [prep] [noun] | 14 |
|
| 4 | at [adv] [v-ing] [prep] [noun sg] | 5 |
|
| 5 | at [adv] [v-ing] [prep] [noun sg] | 5 |
|
