| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [that] at [art] time of | 39 |
|
| 2 | that at [art] time of | 39 |
|
| 3 | [that] at the time of | 34 |
|
| 4 | [that] at the time of | 34 |
|
| 5 | [that] at a time of | 5 |
|
| 6 | [that] at a time of | 5 |
|
