| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] [prep] a | 5419 |
|
| 2 | have been [vb pp] [prep] a | 4891 |
|
| 3 | have been caused [prep] [art] | 105 |
|
| 4 | have been caused [prep] [art] | 105 |
|
| 5 | have been caused [prep] a | 44 |
|
| 6 | [verb] been caused [prep] a | 35 |
|
| 7 | have been cause [prep] a | 35 |
|
| 8 | have [been] caused [prep] a | 35 |
|
| 9 | have been caused [prep] a | 35 |
|
| 10 | have [be] caused [prep] a | 35 |
|
| 11 | have be caused [prep] a | 35 |
|
