| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there might have been [noun] | 10 |
|
| 2 | there might [vb infin] been [noun] | 10 |
|
| 3 | there might [verb] been [noun] | 10 |
|
| 4 | there might have been [noun] | 9 |
|
| 5 | there might [verb] been [noun sg] | 5 |
|
| 6 | there might [verb] been [noun pl] | 5 |
|
