| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [be] [v-ing] at | 461 |
|
| 2 | [verb] [be] [v-ing] some | 124 |
|
| 3 | [be] [v-ing] at some | 41 |
|
| 4 | [verb] [v-ing] at some | 7 |
|
| 5 | [verb] [be] at some | 5 |
|
