| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have been [verb] [prep] | 3126 |
|
| 2 | [vb mod] have been [vb pp] [prep] | 2823 |
|
| 3 | [modal v] have been seen [prep] | 21 |
|
| 4 | [vb mod] [verb] been seen [prep] | 21 |
|
| 5 | [vb mod] have been see [prep] | 21 |
|
| 6 | [vb mod] have been seen [prep] | 21 |
|
| 7 | [vb mod] have [been] seen [prep] | 21 |
|
| 8 | [vb mod] have be seen [prep] | 21 |
|
| 9 | [vb mod] have [be] seen [prep] | 21 |
|
