| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [been] [verb] [to-vb] [adj] [noun] | 141 |
|
| 2 | has [been] [vb pp] [to-vb] [adj] [noun] | 129 |
|
| 3 | [verb] [been] shown [to-vb] [adj] [noun] | 33 |
|
| 4 | have [been] shown [to-vb] [adj] [noun] | 33 |
|
| 5 | has [been] show [to-vb] [adj] [noun] | 18 |
|
| 6 | has [been] shown [verb] [adj] [noun] | 18 |
|
| 7 | has [been] shown [to-vb] [adj] [noun] | 18 |
|
| 8 | has [be] shown [to-vb] [adj] [noun] | 18 |
|
| 9 | [vb -s] [been] shown [to-vb] [adj] [noun] | 18 |
|
