| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] at [art] | 2298 |
|
| 2 | [adv] be [v-ing] [art] | 613 |
|
| 3 | [adv] [v-ing] at [art] | 567 |
|
| 4 | [adv] be at [art] | 167 |
|
| 5 | [adv] be [v-ing] at | 103 |
|
