| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they have been [vb pp] [prep] | 966 |
|
| 2 | have been [vb pp] [prep] this | 554 |
|
| 3 | they have [vb pp] [prep] this | 38 |
|
| 4 | they have been [vb pp] this | 5 |
|
