| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be a long established [noun sg] [prep] | 6 |
|
| 2 | [be] a long established [noun sg] [prep] | 6 |
|
| 3 | [is] a long established [noun sg] [prep] | 5 |
|
| 4 | a long established [noun sg] [prep] [noun] | 7 |
|
