| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | were at the time [prep] | 8 |
|
| 2 | were at the time [prep] | 8 |
|
| 3 | were at the time [prep] | 8 |
|
| 4 | were at the time of | 7 |
|
| 5 | were at the time of | 7 |
|
