| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there [modal v] have been [art] [adj] | 130 |
|
| 2 | [pron] may have been [art] [adj] | 70 |
|
| 3 | there may have be [art] [adj] | 19 |
|
| 4 | there may have [been] [art] [adj] | 19 |
|
| 5 | there may have [be] [art] [adj] | 19 |
|
| 6 | there may have been [art] [adj] | 19 |
|
| 7 | there may [verb] been [art] [adj] | 19 |
|
