| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at approximately [art] [det] time | 8 |
|
| 2 | [prep] approximately [art] [det] time | 8 |
|
| 3 | [prep] approximately [art] [det] time | 8 |
|
| 4 | at approximately [art] [det] time | 8 |
|
