| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] roughly [art] same time | 21 |
|
| 2 | [prep] roughly [art] same time | 21 |
|
| 3 | at roughly [art] same time | 20 |
|
| 4 | at roughly [art] same time | 20 |
|
