| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] that [prep] a time | 10 |
|
| 2 | [verb] [that] [prep] a time | 10 |
|
| 3 | [verb] [that] at a time | 9 |
|
| 4 | [verb] [that] at a time | 9 |
|
