| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] may have been [art] [adj] | 70 |
|
| 2 | which [modal v] have been [art] [adj] | 35 |
|
| 3 | which may have been [art] [adj] | 6 |
|
| 4 | which may have [be] [art] [adj] | 6 |
|
| 5 | which may [verb] been [art] [adj] | 6 |
|
| 6 | which may have be [art] [adj] | 6 |
|
| 7 | which may have [been] [art] [adj] | 6 |
|
