| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] may have been on | 6 |
|
| 2 | may have been [verb] on | 27 |
|
| 3 | may have been [vb pp] on | 24 |
|
| 4 | may have been based on | 5 |
|
| 5 | may have been base on | 5 |
|
| 6 | may have been on [art] | 6 |
|
| 7 | may have been on [art] | 6 |
|
| 8 | may have been on the | 5 |
|
| 9 | may have been on the | 5 |
|
