| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have [vb pp] [art] | 6315 |
|
| 2 | [vb mod] have [been] [vb pp] | 5882 |
|
| 3 | [vb mod] have [been] [art] | 2977 |
|
| 4 | have [been] [vb pp] [art] | 147 |
|
