| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [noun prp] and [adv] at | 25 |
|
| 2 | at [noun] and then at | 15 |
|
| 3 | at [noun sg] and [adv] at | 8 |
|
| 4 | at [noun] and later at | 8 |
|
