| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at the [num ord] of | 27 |
|
| 2 | at the first [prep] | 16 |
|
| 3 | at the [num ord] in | 9 |
|
| 4 | at the last [prep] | 8 |
|
| 5 | at the 17th [prep] | 5 |
|
| 6 | at the [num ord] for | 5 |
|
| 7 | at the ninth [prep] | 5 |
|
