| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [num ord] [noun] | 2014 |
|
| 2 | at [num ord] [noun sg] | 1661 |
|
| 3 | [prep] [num ord] week | 1011 |
|
| 4 | [prep] [num ord] week | 1010 |
|
| 5 | at [adj] week | 120 |
|
| 6 | at [num ord] week | 76 |
|
| 7 | at [num ord] week | 74 |
|
