| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [modal v] have been [vb pp] [prep] | 204 |
|
| 2 | which [vb mod] have been [vb pp] [prep] | 204 |
|
| 3 | [pron] may have been [vb pp] [prep] | 149 |
|
| 4 | [Wh det] may have been [vb pp] [prep] | 47 |
|
| 5 | which may have be [vb pp] [prep] | 45 |
|
| 6 | which may [verb] been [vb pp] [prep] | 45 |
|
| 7 | which may have been [vb pp] [prep] | 45 |
|
| 8 | which may have [be] [vb pp] [prep] | 45 |
|
| 9 | which may have been [verb] [prep] | 45 |
|
| 10 | which may have been [vb pp] [prep] | 45 |
|
| 11 | which may have [been] [vb pp] [prep] | 45 |
|
