| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may have been [verb] [prep] [noun pl] | 42 |
|
| 2 | may have been [verb] [prep] [noun pl] | 42 |
|
| 3 | may have been [vb pp] [prep] [noun pl] | 39 |
|
| 4 | may have been [verb] by [noun pl] | 14 |
|
| 5 | may have been [verb] with [noun pl] | 6 |
|
| 6 | may have been [verb] in [noun pl] | 5 |
|
| 7 | may have been [verb] for [noun pl] | 5 |
|
