| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] [verb] [prep] a [noun] | 245 |
|
| 2 | have [been] [vb pp] [prep] a [noun] | 230 |
|
| 3 | have [been] caused [prep] a [noun] | 29 |
|
| 4 | [verb] [been] caused [prep] a [noun] | 29 |
|
| 5 | have [been] caused [prep] [art] [noun] | 27 |
|
| 6 | have [been] caused [prep] [art] [noun] | 27 |
|
| 7 | have [been] caused [prep] a [noun] | 10 |
|
| 8 | have [been] cause [prep] a [noun] | 10 |
|
| 9 | [vb infin] [been] caused [prep] a [noun] | 10 |
|
| 10 | have [be] caused [prep] a [noun] | 10 |
|
