| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] [pron] at [art] time | 23 |
|
| 2 | [was/were] [verb] [pron] at [art] [noun] | 23 |
|
| 3 | [was/were] [verb] [pron] [prep] [art] time | 6 |
|
