| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [vb pp] at [art] time [prep] | 39 |
|
| 2 | [adv] [vb pp] at the time [prep] | 37 |
|
| 3 | [adv] [vb pp] at the time [prep] | 37 |
|
| 4 | [adv] [vb pp] at [art] time of | 31 |
|
| 5 | [adv] investigated at [art] time [prep] | 5 |
|
| 6 | properly [vb pp] at [art] time [prep] | 5 |
|
