| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] at [art] [noun] | 1683 |
|
| 2 | [been] [v-ing] [prep] [art] [noun] | 1496 |
|
| 3 | [been] [verb] at [art] [noun] | 647 |
|
| 4 | [been] [v-ing] at [art] [noun] | 143 |
|
