| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] at [art] | 7578 |
|
| 2 | [v-ing] be [vb pp] [art] | 57 |
|
| 3 | [v-ing] [vb pp] at [art] | 55 |
|
| 4 | [v-ing] be [vb pp] at | 43 |
|
| 5 | [v-ing] be at [art] | 16 |
|
