| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [vb pp] about [det] [noun] | 13 |
|
| 2 | have [been] [vb pp] about [det] [noun] | 13 |
|
| 3 | have [been] [vb pp] about [det] [noun sg] | 12 |
|
| 4 | have [been] [vb pp] about this [noun] | 7 |
|
| 5 | has [been] [vb pp] about [det] [noun] | 6 |
|
| 6 | have [been] [vb pp] about [det] [noun] | 5 |
|
| 7 | have [been] written about [det] [noun] | 5 |
|
