| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] which may have been [prep] | 5 |
|
| 2 | which may have been [verb] [prep] | 45 |
|
| 3 | which may have been [vb pp] [prep] | 45 |
|
| 4 | which may have been [adj] [prep] | 9 |
|
| 5 | which may have been [adj] [prep] | 9 |
|
| 6 | which may have been use [prep] | 5 |
|
| 7 | which may have been used [prep] | 5 |
|
