| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | this be [prep] a time | 18 |
|
| 2 | this be [prep] a time | 18 |
|
| 3 | this be [prep] a time | 18 |
|
| 4 | this be at a time | 17 |
|
| 5 | this be at a time | 17 |
|
| 6 | this was [prep] a time | 14 |
|
