| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be performed at the same [noun] | 7 |
|
| 2 | be performed at the same time | 7 |
|
| 3 | be performed at the same time | 7 |
|
| 4 | be performed at the same [noun] | 7 |
|
| 5 | be performed at the same [noun sg] | 7 |
|
