| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] at some time | 128 |
|
| 2 | [prep] [noun] at some | 97 |
|
| 3 | [prep] [noun] some time | 53 |
|
| 4 | [prep] [noun] at time | 20 |
|
