| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [vb pp] [prep] both sides | 19 |
|
| 2 | have been recorded [prep] both sides | 16 |
|
| 3 | have been [vb pp] from both sides | 16 |
|
| 4 | have been [vb pp] on both sides | 7 |
|
| 5 | had been [vb pp] [prep] both sides | 5 |
|
