| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv prt] at the time [prep] | 20 |
|
| 2 | [verb] [adv prt] at the time [prep] | 20 |
|
| 3 | [verb] [adv prt] at the time of | 19 |
|
| 4 | [verb] [adv prt] at the time of | 19 |
|
| 5 | [vb pp] [adv prt] at the time [prep] | 13 |
|
| 6 | [verb] up at the time [prep] | 5 |
|
| 7 | [verb] on at the time [prep] | 5 |
|
