| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] at [num ord] | 45 |
|
| 2 | [prep] at [num ord] | 45 |
|
| 3 | [prep] at last | 27 |
|
| 4 | [prep] at first | 18 |
|
| 5 | to at [num ord] | 9 |
|
| 6 | to at [num ord] | 9 |
|
| 7 | of at [num ord] | 8 |
|
| 8 | of at [num ord] | 8 |
|
| 9 | for at [num ord] | 7 |
|
| 10 | for at [num ord] | 7 |
|
