| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have be [vb pp] at the end | 19 |
|
| 2 | have [been] [vb pp] at the end | 19 |
|
| 3 | have been [vb pp] at the end | 19 |
|
| 4 | had [be] [vb pp] at the end | 12 |
|
