| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] [pers pn] at | 30 |
|
| 2 | [be] [v-ing] them at | 8 |
|
| 3 | [be] [v-ing] it at | 8 |
|
| 4 | [be] [v-ing] you at | 6 |
|
