| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] at | 7087 |
|
| 2 | be [v-ing] at | 857 |
|
| 3 | be running at | 149 |
|
| 4 | [be] running at | 149 |
|
| 5 | be running [prep] | 72 |
|
| 6 | be running [prep] | 72 |
|
| 7 | be run at | 44 |
|
| 8 | [be] running at | 19 |
|
| 9 | be running at | 19 |
|
