| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [pron] [prep] [v-ing] [pers pn] | 16 |
|
| 2 | at [pers pn] [prep] [v-ing] [pers pn] | 10 |
|
| 3 | at [pron] for [v-ing] [pers pn] | 10 |
|
| 4 | at [pron] [prep] [v-ing] it | 6 |
|
