| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] at [art] time [was/were] | 13 |
|
| 2 | [noun pl] at the time [was/were] | 12 |
|
| 3 | [noun pl] at [art] time were | 7 |
|
| 4 | [noun pl] at [art] time was | 6 |
|
