| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [adv] at the time of | 19 |
|
| 2 | [vb pp] [adv] at the time of | 19 |
|
| 3 | [vb pp] [adv] at the time of | 19 |
|
| 4 | [vb pp] [adv prt] at the time of | 12 |
|
| 5 | [vb pp] [adv] at the time of | 7 |
|
