| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] at the | 1743 |
|
| 2 | [vb -s] be [v-ing] the | 357 |
|
| 3 | [vb -s] be [v-ing] at | 89 |
|
| 4 | [vb -s] be at the | 89 |
|
| 5 | [vb -s] [v-ing] at the | 28 |
|
