| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] at [art] time [prep] | 556 |
|
| 2 | [vb pp] at [art] time [prep] | 338 |
|
| 3 | established at [art] [noun] [prep] | 30 |
|
| 4 | established [prep] [art] time [prep] | 11 |
|
| 5 | established [prep] [art] time [prep] | 11 |
|
| 6 | established at [art] time [prep] | 6 |
|
| 7 | establish at [art] time [prep] | 6 |
|
