| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [noun] [det] time | 14 |
|
| 2 | at [noun sg] [det] time | 6 |
|
| 3 | at [noun prp] [det] time | 6 |
|
| 4 | at [noun] some time | 5 |
|
