| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] [art] [noun] | 21013 |
|
| 2 | [v-ing] at [art] [noun] | 6393 |
|
| 3 | be at [art] [noun] | 4371 |
|
| 4 | be [v-ing] at [art] | 2298 |
|
| 5 | be [v-ing] at [noun] | 1075 |
|
