| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [adj] time | 7407 |
|
| 2 | [prep] some time | 2270 |
|
| 3 | at some [noun] | 1806 |
|
| 4 | at some [noun sg] | 1557 |
|
| 5 | at some time | 461 |
|
