| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [verb] [been] establish for [adj] | 10 |
|
| 2 | [noun sg] [verb] [been] establish for [adj] | 7 |
|
| 3 | [verb] [been] establish for [adj] [noun] | 12 |
|
| 4 | [verb] [been] establish for [adj] [noun pl] | 10 |
|
| 5 | [verb] [been] establish for [adj] years | 5 |
|
| 6 | [verb] [been] establish for [adj] year | 5 |
|
