| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at about the same time [subord] | 22 |
|
| 2 | [prep] about the same time [subord] | 22 |
|
| 3 | [prep] about the same time as | 22 |
|
| 4 | [prep] about the same time [subord] | 22 |
|
