| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] were [verb] at a [noun] | 66 |
|
| 2 | [noun pl] were [verb] at a [noun sg] | 60 |
|
| 3 | [noun pl] were [verb] at [art] time | 40 |
|
| 4 | [noun pl] be [verb] at a time | 15 |
|
| 5 | [noun pl] [be] [verb] at a time | 15 |
|
| 6 | [noun] were [verb] at a time | 13 |
|
| 7 | [noun pl] [was/were] [verb] at a time | 13 |
|
| 8 | [noun pl] were [verb] [prep] a time | 12 |
|
| 9 | [noun pl] were [verb] at a time | 11 |
|
