| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] [adv] at the time | 15 |
|
| 2 | be [verb] [adv] at the time | 15 |
|
| 3 | be [verb] [adv] at the time | 15 |
|
| 4 | be [vb pp] [adv] at the time | 10 |
|
| 5 | be [v-ing] [adv] at the time | 5 |
|
