| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [adv] [verb] at the | 268 |
|
| 2 | [adv] [verb] at the time | 225 |
|
| 3 | [modal v] [adv] [verb] the time | 82 |
|
| 4 | [modal v] [verb] at the time | 25 |
|
