| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at the [noun] [vb past] | 808 |
|
| 2 | at the [noun sg] [vb past] | 678 |
|
| 3 | [prep] the conference [vb past] | 43 |
|
| 4 | [prep] the conference [vb past] | 43 |
|
| 5 | at the conference [verb] | 25 |
|
| 6 | at [art] conference [vb past] | 20 |
|
| 7 | at [art] conference [vb past] | 20 |
|
| 8 | at the conference [vb past] | 18 |
|
| 9 | at the conference [vb past] | 18 |
|
| 10 | at the conference [vb past] | 18 |
|
