| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] be [v-ing] at [art] | 66 |
|
| 2 | to be [v-ing] at [art] | 66 |
|
| 3 | to be [v-ing] at [art] | 66 |
|
| 4 | [prep] be [v-ing] at the | 48 |
|
| 5 | [prep] be looking at [art] | 14 |
|
| 6 | [prep] be [v-ing] at a | 13 |
|
| 7 | [prep] be [v-ing] at an | 5 |
|
