| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [v-ing] [pers pn] | 16228 |
|
| 2 | [prep] [pers pn] at | 3256 |
|
| 3 | [prep] [v-ing] at | 2877 |
|
| 4 | [v-ing] [pers pn] at | 675 |
|
