| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | this was at [art] time | 14 |
|
| 2 | this [was/were] at [art] time | 14 |
|
| 3 | this [was/were] at [art] time | 14 |
|
| 4 | this [was/were] at a time | 13 |
|
| 5 | this [was/were] at a time | 13 |
|
