| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [art] time of [art] | 1196 |
|
| 2 | [was/were] at [art] time of | 30 |
|
| 3 | [was/were] [art] time of [art] | 14 |
|
| 4 | [was/were] at [art] time [art] | 11 |
|
