| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] may have been [vb pp] [prep] | 47 |
|
| 2 | [Wh det] may have been [vb pp] [prep] | 47 |
|
| 3 | which may have been [vb pp] [prep] | 45 |
|
| 4 | [Wh det] may have been [vb pp] by | 15 |
|
| 5 | [Wh det] may have been [vb pp] by | 15 |
|
| 6 | [Wh det] may have been [vb pp] with | 8 |
|
| 7 | [Wh det] may have been [vb pp] with | 8 |
|
| 8 | [Wh det] may have been [vb pp] in | 7 |
|
| 9 | [Wh det] may have been [vb pp] in | 7 |
|
| 10 | [Wh det] may have been used [prep] | 5 |
|
