| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there may have been [art] [adj] | 19 |
|
| 2 | there may have been [art] [adj] | 19 |
|
| 3 | there may have been [art] [adj] | 14 |
|
| 4 | there may have been a [adj] | 11 |
|
| 5 | there may have been an [adj] | 7 |
|
