| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] may have been [adj] | 38 |
|
| 2 | [det] may have been [adj] | 30 |
|
| 3 | this may have been [adj] | 26 |
|
| 4 | [det] may have been due | 11 |
|
| 5 | [det] may have been due | 11 |
|
| 6 | [det] may have been true | 7 |
|
| 7 | [det] may have been true | 7 |
|
| 8 | that may have been [adj] | 7 |
|
| 9 | [det] may have been one | 6 |
|
| 10 | [det] may have been [num] | 6 |
|
| 11 | [det] may have been one | 6 |
|
