| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] to the | 1614 |
|
| 2 | have been [vb pp] to the | 1522 |
|
| 3 | have been referred to [art] | 35 |
|
| 4 | have been refer to the | 29 |
|
| 5 | have been referred [prep] the | 28 |
|
| 6 | have been referred [prep] the | 28 |
|
| 7 | have been referred to the | 26 |
|
| 8 | have be referred to the | 26 |
|
| 9 | [verb] been referred to the | 26 |
|
| 10 | have [be] referred to the | 26 |
|
| 11 | have [been] referred to the | 26 |
|
