| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] at the same time | 318 |
|
| 2 | [be] [vb pp] at the time | 297 |
|
| 3 | [be] [vb pp] at the same | 243 |
|
| 4 | [be] at the same time | 113 |
|
