| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] be [adv] at the time | 6 |
|
| 2 | [prep] be [adv] at the time | 6 |
|
| 3 | [prep] be [adv] at the time | 6 |
|
| 4 | to be [adv] at the time | 6 |
|
