| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] at [art] | 2298 |
|
| 2 | [vb -s] be [v-ing] [art] | 606 |
|
| 3 | [vb -s] be at [art] | 101 |
|
| 4 | [vb -s] be [v-ing] at | 89 |
|
| 5 | [vb -s] [v-ing] at [art] | 36 |
|
