| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [adv] [vb pp] at [art] [noun] | 293 |
|
| 2 | [was/were] [adv] [vb pp] at [art] [noun sg] | 252 |
|
| 3 | [be] [adv] [vb pp] at [art] time | 95 |
|
| 4 | [was/were] [adv] [vb pp] [prep] [art] time | 91 |
|
| 5 | [was/were] [adv] [verb] at [art] time | 75 |
|
| 6 | [was/were] [adv] [vb pp] at [art] time | 68 |
|
