| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have [been] [vb pp] [prep] a | 315 |
|
| 2 | [vb mod] have [been] [vb pp] in [art] | 181 |
|
| 3 | [vb mod] have [been] [vb pp] in [art] | 181 |
|
| 4 | [vb mod] have [been] [vb pp] in a | 45 |
|
| 5 | [vb mod] have [been] [verb] in a | 38 |
|
| 6 | [vb mod] have [be] [vb pp] in a | 33 |
|
| 7 | [modal v] have [been] [vb pp] in a | 33 |
|
| 8 | [vb mod] [verb] [been] [vb pp] in a | 33 |
|
