| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] to have been caused by | 10 |
|
| 2 | be [verb] to have been caused by | 10 |
|
| 3 | [noun] [verb] to have been caused by | 9 |
|
| 4 | [noun sg] [verb] to have been caused by | 7 |
|
| 5 | [was/were] [verb] to have been caused by | 7 |
|
| 6 | was [verb] to have been caused by | 5 |
|
| 7 | [verb] to have been caused by [art] | 14 |
|
| 8 | [verb] to have been caused by [art] | 14 |
|
| 9 | [verb] to have been caused by a | 11 |
|
| 10 | [verb] to have been caused by a | 7 |
|
| 11 | [verb] to have been caused by [adj] | 5 |
|
| 12 | [verb] to have been caused by [adj] | 5 |
|
