| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be at [art] time of | 49 |
|
| 2 | [be] at the time of | 48 |
|
| 3 | [was/were] at [art] time of | 30 |
|
| 4 | was at [art] time of | 23 |
|
| 5 | [is] at [art] time of | 11 |
|
| 6 | is at [art] time of | 10 |
|
| 7 | were at [art] time of | 7 |
|
