| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] the | 15649 |
|
| 2 | [v-ing] at the | 7051 |
|
| 3 | [be] [v-ing] at | 6347 |
|
| 4 | [be] at the | 4425 |
|
