| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | can [be] [vb pp] prior to | 6 |
|
| 2 | can [be] [vb pp] prior [prep] | 6 |
|
| 3 | can [be] [vb pp] prior [prep] | 6 |
|
| 4 | can [be] [vb pp] prior to | 6 |
|
