| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] at | 27063 |
|
| 2 | [be] [v-ing] at | 6347 |
|
| 3 | [be] playing [prep] | 792 |
|
| 4 | [be] playing [prep] | 792 |
|
| 5 | [be] play at | 202 |
|
| 6 | [be] playing at | 97 |
|
