| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] at the same time | 65 |
|
| 2 | they [vb past] at the time | 20 |
|
| 3 | they [vb past] at the same | 18 |
|
| 4 | they at the same time | 15 |
|
