| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | may [vb infin] been [vb pp] | 987 |
|
| 2 | may have been [vb pp] | 987 |
|
| 3 | may have been [vb pp] | 984 |
|
| 4 | may [verb] been used | 35 |
|
| 5 | may [verb] been made | 35 |
|
| 6 | may [verb] been caused | 22 |
|
| 7 | may [verb] been influenced | 20 |
|
| 8 | may [verb] been taken | 13 |
|
| 9 | may [verb] been intended | 12 |
|
| 10 | may [verb] been given | 11 |
|
| 11 | may [verb] been written | 11 |
|
| 12 | may [verb] been lost | 10 |
|
| 13 | may [verb] been related | 10 |
|
| 14 | may [verb] been based | 9 |
|
| 15 | may [verb] been born | 9 |
|
| 16 | may [verb] been produced | 9 |
|
| 17 | may [verb] been seen | 8 |
|
| 18 | may [verb] been associated | 8 |
|
| 19 | may [verb] been connected | 7 |
|
| 20 | may [verb] been done | 7 |
|
| 21 | may [verb] been linked | 7 |
|
| 22 | may [verb] been killed | 7 |
|
| 23 | may [verb] been brought | 7 |
|
| 24 | may [verb] been put | 7 |
|
| 25 | may [verb] been exaggerated | 6 |
|
| 26 | may [verb] been murdered | 6 |
|
| 27 | may [verb] been started | 6 |
|
| 28 | may [verb] been encouraged | 6 |
|
| 29 | may [verb] been forced | 5 |
|
| 30 | may [verb] been provided | 5 |
|
