| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [prep] | 324690 |
|
| 2 | [v-ing] [prep] | 312237 |
|
| 3 | [verb] at | 137581 |
|
| 4 | [v-ing] at | 23864 |
|
