| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | this [vb mod] have been [verb] [prep] | 50 |
|
| 2 | this [modal v] have been [verb] [prep] | 50 |
|
| 3 | [adj] may have been [verb] [prep] | 33 |
|
| 4 | [det] may have been [verb] [prep] | 30 |
|
| 5 | this may have [been] [verb] [prep] | 14 |
|
| 6 | this may have [be] [verb] [prep] | 14 |
|
| 7 | this may have be [verb] [prep] | 14 |
|
| 8 | this may have been [verb] [prep] | 14 |
|
| 9 | this may have been [verb] [prep] | 14 |
|
| 10 | this may [verb] been [verb] [prep] | 14 |
|
