| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that at [art] time of the | 23 |
|
| 2 | that at [art] time of [art] | 23 |
|
| 3 | that at the time of [art] | 23 |
|
| 4 | that at the time of [art] | 23 |
|
