| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [verb] for [det] [noun] | 118 |
|
| 2 | has been [vb pp] for [det] [noun] | 90 |
|
| 3 | has been established [prep] [det] [noun] | 9 |
|
| 4 | has been established [prep] [det] [noun] | 9 |
|
| 5 | [verb] been established for [det] [noun] | 8 |
|
| 6 | have been established for [det] [noun] | 8 |
|
| 7 | has been established for [adj] [noun] | 7 |
|
| 8 | [vb -s] been established for [det] [noun] | 6 |
|
| 9 | has be established for [det] [noun] | 5 |
|
| 10 | has been establish for [det] [noun] | 5 |
|
| 11 | has [been] established for [det] [noun] | 5 |
|
| 12 | has [be] established for [det] [noun] | 5 |
|
| 13 | has been established for [det] [noun] | 5 |
|
