| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at a [noun] | 15341 |
|
| 2 | at a [noun sg] | 14548 |
|
| 3 | [prep] a meeting | 1550 |
|
| 4 | [prep] a meeting | 1550 |
|
| 5 | at [art] meeting | 1098 |
|
| 6 | at [art] meeting | 1098 |
|
| 7 | at a meeting | 698 |
|
| 8 | at a meeting | 698 |
|
| 9 | at a meeting | 698 |
|
