| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] at the time | 656 |
|
| 2 | [vb pp] [adv prt] at the | 602 |
|
| 3 | [adv prt] at the time | 129 |
|
| 4 | [vb pp] [adv prt] the time | 6 |
|
