| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [was/were] [vb pp] at the conference | 8 |
|
| 2 | [noun sg] [was/were] [vb pp] at the conference | 5 |
|
| 3 | [was/were] [vb pp] at the [noun] conference | 8 |
|
| 4 | [was/were] [vb pp] at the [noun sg] conference | 6 |
|
| 5 | [was/were] [vb pp] at the conference [prep] | 5 |
|
| 6 | [was/were] [vb pp] at the conference [prep] | 5 |
|
| 7 | [was/were] [vb pp] at the conference by | 5 |
|
| 8 | [was/were] [vb pp] at the conference by | 5 |
|
