| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [num ord] [noun prp] [num] | 43 |
|
| 2 | at 31st [noun] [num] | 29 |
|
| 3 | at [num ord] march [num] | 24 |
|
| 4 | at [num ord] march [num] | 24 |
|
| 5 | at [num ord] [noun] 1991 | 18 |
|
| 6 | at [num ord] [noun] 1993 | 8 |
|
| 7 | at [num ord] [noun] 1990 | 8 |
|
| 8 | at 1st [noun] [num] | 6 |
|
| 9 | at [num ord] december [num] | 5 |
|
| 10 | at [num ord] december [num] | 5 |
|
| 11 | at [num ord] [noun] 1992 | 5 |
|
| 12 | at [num ord] [noun sg] [num] | 5 |
|
