| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | established at [art] time of | 6 |
|
| 2 | established at the time [prep] | 6 |
|
| 3 | established at the time [prep] | 6 |
|
| 4 | established at [art] time [prep] | 6 |
|
| 5 | established at [art] time [prep] | 6 |
|
| 6 | established at [art] time [prep] | 6 |
|
| 7 | established at [art] time of | 6 |
|
