| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [vb pp] at the [noun] | 995 |
|
| 2 | was [vb pp] at the [noun sg] | 804 |
|
| 3 | was [vb pp] [prep] the conference | 16 |
|
| 4 | was [vb pp] [prep] the conference | 16 |
|
| 5 | [be] [vb pp] at the conference | 15 |
|
| 6 | be [vb pp] at the conference | 15 |
|
| 7 | [was/were] [vb pp] at the conference | 14 |
|
| 8 | was [vb pp] at [art] conference | 13 |
|
| 9 | was [verb] at the conference | 9 |
|
| 10 | was [vb pp] at the conference | 9 |
|
| 11 | was [vb pp] at the conference | 9 |
|
