| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [be] [vb pp] [prep] some time | 68 |
|
| 2 | [verb] [be] [vb pp] at [adj] time | 44 |
|
| 3 | [verb] [be] [vb pp] at some [noun] | 22 |
|
| 4 | [verb] [be] [verb] at some time | 12 |
|
