| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be speaking at a | 23 |
|
| 2 | [be] speaking at a | 23 |
|
| 3 | [was/were] speaking at a | 18 |
|
| 4 | was speaking at a | 17 |
|
| 5 | speaking at a [noun] | 75 |
|
| 6 | speaking at a [noun sg] | 66 |
|
| 7 | speaking at a [adj] | 19 |
|
| 8 | speaking at a [adj] | 17 |
|
| 9 | speaking at a conference | 15 |
|
| 10 | speaking at a conference | 15 |
|
| 11 | speaking at a press | 12 |
|
| 12 | speaking at a press | 12 |
|
| 13 | speaking at a meeting | 8 |
|
| 14 | speaking at a meeting | 8 |
|
| 15 | speaking at a [noun prp] | 6 |
|
